21718774

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{12821}}^1$

素因数の和:12852

約数の個数: 24

約数和(自身を含む): 40927824

約数和(自身を除く): 19209050

約数列:

[1, 2, 7, 11, 14, 22, 77, 121, 154, 242, 847, 1694, 12821, 25642, 89747, 141031, 179494, 282062, 987217, 1551341, 1974434, 3102682, 10859387, 21718774]

約数ペア:

[(1, 21718774), (2, 10859387), (7, 3102682), (11, 1974434), (14, 1551341), (22, 987217), (77, 282062), (121, 179494), (154, 141031), (242, 89747), (847, 25642), (1694, 12821)]