19 lines
488 B
JavaScript
19 lines
488 B
JavaScript
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function factors(n)
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{
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var num_factors = [], i;
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for (i = 1; i <= Math.floor(Math.sqrt(n)); i += 1)
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if (n % i === 0)
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{
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num_factors.push(i);
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if (n / i !== i)
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num_factors.push(n / i);
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}
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num_factors.sort(function(x, y)
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{
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return x - y;}); // numeric sort
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return num_factors;
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}
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console.log(factors(15)); // [1,3,5,15]
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console.log(factors(16)); // [1,2,4,8,16]
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console.log(factors(17)); // [1,17]
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