21740614

素因数分解:

$2^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{1361}}^1$

素因数の和:1540

約数の個数: 24

約数和(自身を含む): 38195928

約数和(自身を除く): 16455314

約数列:

[1, 2, 7, 14, 49, 98, 163, 326, 1141, 1361, 2282, 2722, 7987, 9527, 15974, 19054, 66689, 133378, 221843, 443686, 1552901, 3105802, 10870307, 21740614]

約数ペア:

[(1, 21740614), (2, 10870307), (7, 3105802), (14, 1552901), (49, 443686), (98, 221843), (163, 133378), (326, 66689), (1141, 19054), (1361, 15974), (2282, 9527), (2722, 7987)]