21164886

素因数分解:

$2^1\times 3^2\times {\mathrm{557}}^1\times {\mathrm{2111}}^1$

素因数の和:2676

約数の個数: 24

約数和(自身を含む): 45961344

約数和(自身を除く): 24796458

約数列:

[1, 2, 3, 6, 9, 18, 557, 1114, 1671, 2111, 3342, 4222, 5013, 6333, 10026, 12666, 18999, 37998, 1175827, 2351654, 3527481, 7054962, 10582443, 21164886]

約数ペア:

[(1, 21164886), (2, 10582443), (3, 7054962), (6, 3527481), (9, 2351654), (18, 1175827), (557, 37998), (1114, 18999), (1671, 12666), (2111, 10026), (3342, 6333), (4222, 5013)]