21690988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{599}}^1\times {\mathrm{823}}^1$

素因数の和:1437

約数の個数: 24

約数和(自身を含む): 41529600

約数和(自身を除く): 19838612

約数列:

[1, 2, 4, 11, 22, 44, 599, 823, 1198, 1646, 2396, 3292, 6589, 9053, 13178, 18106, 26356, 36212, 492977, 985954, 1971908, 5422747, 10845494, 21690988]

約数ペア:

[(1, 21690988), (2, 10845494), (4, 5422747), (11, 1971908), (22, 985954), (44, 492977), (599, 36212), (823, 26356), (1198, 18106), (1646, 13178), (2396, 9053), (3292, 6589)]