21852490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{198659}}^1$

素因数の和:198677

約数の個数: 16

約数和(自身を含む): 42910560

約数和(自身を除く): 21058070

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 198659, 397318, 993295, 1986590, 2185249, 4370498, 10926245, 21852490]

約数ペア:

[(1, 21852490), (2, 10926245), (5, 4370498), (10, 2185249), (11, 1986590), (22, 993295), (55, 397318), (110, 198659)]