21524986

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{4259}}^1$

素因数の和:4306

約数の個数: 24

約数和(自身を含む): 38953440

約数和(自身を除く): 17428454

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 361, 722, 2527, 4259, 5054, 8518, 29813, 59626, 80921, 161842, 566447, 1132894, 1537499, 3074998, 10762493, 21524986]

約数ペア:

[(1, 21524986), (2, 10762493), (7, 3074998), (14, 1537499), (19, 1132894), (38, 566447), (133, 161842), (266, 80921), (361, 59626), (722, 29813), (2527, 8518), (4259, 5054)]