21069092

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{478843}}^1$

素因数の和:478858

約数の個数: 12

約数和(自身を含む): 40222896

約数和(自身を除く): 19153804

約数列:

[1, 2, 4, 11, 22, 44, 478843, 957686, 1915372, 5267273, 10534546, 21069092]

約数ペア:

[(1, 21069092), (2, 10534546), (4, 5267273), (11, 1915372), (22, 957686), (44, 478843)]