21859076

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{521}}^1\times {\mathrm{617}}^1$

素因数の和:1159

約数の個数: 24

約数和(自身を含む): 40647096

約数和(自身を除く): 18788020

約数列:

[1, 2, 4, 17, 34, 68, 521, 617, 1042, 1234, 2084, 2468, 8857, 10489, 17714, 20978, 35428, 41956, 321457, 642914, 1285828, 5464769, 10929538, 21859076]

約数ペア:

[(1, 21859076), (2, 10929538), (4, 5464769), (17, 1285828), (34, 642914), (68, 321457), (521, 41956), (617, 35428), (1042, 20978), (1234, 17714), (2084, 10489), (2468, 8857)]