21570926

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1319}}^1$

素因数の和:1388

約数の個数: 32

約数和(自身を含む): 37920960

約数和(自身を除く): 16350034

約数列:

[1, 2, 13, 17, 26, 34, 37, 74, 221, 442, 481, 629, 962, 1258, 1319, 2638, 8177, 16354, 17147, 22423, 34294, 44846, 48803, 97606, 291499, 582998, 634439, 829651, 1268878, 1659302, 10785463, 21570926]

約数ペア:

[(1, 21570926), (2, 10785463), (13, 1659302), (17, 1268878), (26, 829651), (34, 634439), (37, 582998), (74, 291499), (221, 97606), (442, 48803), (481, 44846), (629, 34294), (962, 22423), (1258, 17147), (1319, 16354), (2638, 8177)]