21266570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{5641}}^1$

素因数の和:5690

約数の個数: 32

約数和(自身を含む): 42653520

約数和(自身を除く): 21386950

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 5641, 11282, 28205, 56410, 73333, 146666, 163589, 327178, 366665, 733330, 817945, 1635890, 2126657, 4253314, 10633285, 21266570]

約数ペア:

[(1, 21266570), (2, 10633285), (5, 4253314), (10, 2126657), (13, 1635890), (26, 817945), (29, 733330), (58, 366665), (65, 327178), (130, 163589), (145, 146666), (290, 73333), (377, 56410), (754, 28205), (1885, 11282), (3770, 5641)]