21495015356

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{316103167}}^1$

素因数の和:316103188

約数の個数: 12

約数和(自身を含む): 39828999168

約数和(自身を除く): 18333983812

約数列:

[1, 2, 4, 17, 34, 68, 316103167, 632206334, 1264412668, 5373753839, 10747507678, 21495015356]

約数ペア:

[(1, 21495015356), (2, 10747507678), (4, 5373753839), (17, 1264412668), (34, 632206334), (68, 316103167)]