21793708

素因数分解:

$2^2\times {\mathrm{127}}^1\times {\mathrm{42901}}^1$

素因数の和:43032

約数の個数: 12

約数和(自身を含む): 38440192

約数和(自身を除く): 16646484

約数列:

[1, 2, 4, 127, 254, 508, 42901, 85802, 171604, 5448427, 10896854, 21793708]

約数ペア:

[(1, 21793708), (2, 10896854), (4, 5448427), (127, 171604), (254, 85802), (508, 42901)]