21817444

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{495851}}^1$

素因数の和:495866

約数の個数: 12

約数和(自身を含む): 41651568

約数和(自身を除く): 19834124

約数列:

[1, 2, 4, 11, 22, 44, 495851, 991702, 1983404, 5454361, 10908722, 21817444]

約数ペア:

[(1, 21817444), (2, 10908722), (4, 5454361), (11, 1983404), (22, 991702), (44, 495851)]