21253562

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{2549}}^1$

素因数の和:2941

約数の個数: 16

約数和(自身を含む): 34884000

約数和(自身を除く): 13630438

約数列:

[1, 2, 11, 22, 379, 758, 2549, 4169, 5098, 8338, 28039, 56078, 966071, 1932142, 10626781, 21253562]

約数ペア:

[(1, 21253562), (2, 10626781), (11, 1932142), (22, 966071), (379, 56078), (758, 28039), (2549, 8338), (4169, 5098)]