21331174

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1\times {\mathrm{613}}^1$

素因数の和:879

約数の個数: 16

約数和(自身を含む): 32537088

約数和(自身を除く): 11205914

約数列:

[1, 2, 127, 137, 254, 274, 613, 1226, 17399, 34798, 77851, 83981, 155702, 167962, 10665587, 21331174]

約数ペア:

[(1, 21331174), (2, 10665587), (127, 167962), (137, 155702), (254, 83981), (274, 77851), (613, 34798), (1226, 17399)]