21313204

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{691}}^1\times {\mathrm{701}}^1$

素因数の和:1407

約数の個数: 24

約数和(自身を含む): 40805856

約数和(自身を除く): 19492652

約数列:

[1, 2, 4, 11, 22, 44, 691, 701, 1382, 1402, 2764, 2804, 7601, 7711, 15202, 15422, 30404, 30844, 484391, 968782, 1937564, 5328301, 10656602, 21313204]

約数ペア:

[(1, 21313204), (2, 10656602), (4, 5328301), (11, 1937564), (22, 968782), (44, 484391), (691, 30844), (701, 30404), (1382, 15422), (1402, 15202), (2764, 7711), (2804, 7601)]