21026249

素因数分解:

${\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1$

素因数の和:304

約数の個数: 16

約数和(自身を含む): 22457088

約数和(自身を除く): 1430839

約数列:

[1, 37, 47, 107, 113, 1739, 3959, 4181, 5029, 5311, 12091, 186073, 196507, 447367, 568277, 21026249]

約数ペア:

[(1, 21026249), (37, 568277), (47, 447367), (107, 196507), (113, 186073), (1739, 12091), (3959, 5311), (4181, 5029)]