21904876

素因数分解:

$2^2\times 7^1\times {\mathrm{461}}^1\times {\mathrm{1697}}^1$

素因数の和:2169

約数の個数: 24

約数和(自身を含む): 43930656

約数和(自身を除く): 22025780

約数列:

[1, 2, 4, 7, 14, 28, 461, 922, 1697, 1844, 3227, 3394, 6454, 6788, 11879, 12908, 23758, 47516, 782317, 1564634, 3129268, 5476219, 10952438, 21904876]

約数ペア:

[(1, 21904876), (2, 10952438), (4, 5476219), (7, 3129268), (14, 1564634), (28, 782317), (461, 47516), (922, 23758), (1697, 12908), (1844, 11879), (3227, 6788), (3394, 6454)]