21261814

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{52369}}^1$

素因数の和:52407

約数の個数: 16

約数和(自身を含む): 37706400

約数和(自身を除く): 16444586

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 52369, 104738, 366583, 733166, 1518701, 3037402, 10630907, 21261814]

約数ペア:

[(1, 21261814), (2, 10630907), (7, 3037402), (14, 1518701), (29, 733166), (58, 366583), (203, 104738), (406, 52369)]