21010924

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{43411}}^1$

素因数の和:43437

約数の個数: 18

約数和(自身を含む): 40416572

約数和(自身を除く): 19405648

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 43411, 86822, 173644, 477521, 955042, 1910084, 5252731, 10505462, 21010924]

約数ペア:

[(1, 21010924), (2, 10505462), (4, 5252731), (11, 1910084), (22, 955042), (44, 477521), (121, 173644), (242, 86822), (484, 43411)]