21621644

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{701}}^2$

素因数の和:1417

約数の個数: 18

約数和(自身を含む): 41336652

約数和(自身を除く): 19715008

約数列:

[1, 2, 4, 11, 22, 44, 701, 1402, 2804, 7711, 15422, 30844, 491401, 982802, 1965604, 5405411, 10810822, 21621644]

約数ペア:

[(1, 21621644), (2, 10810822), (4, 5405411), (11, 1965604), (22, 982802), (44, 491401), (701, 30844), (1402, 15422), (2804, 7711)]