21134337

素因数分解:

$3^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{1319}}^1$

素因数の和:1445

約数の個数: 24

約数和(自身を含む): 33105600

約数和(自身を除く): 11971263

約数列:

[1, 3, 7, 21, 49, 109, 147, 327, 763, 1319, 2289, 3957, 5341, 9233, 16023, 27699, 64631, 143771, 193893, 431313, 1006397, 3019191, 7044779, 21134337]

約数ペア:

[(1, 21134337), (3, 7044779), (7, 3019191), (21, 1006397), (49, 431313), (109, 193893), (147, 143771), (327, 64631), (763, 27699), (1319, 16023), (2289, 9233), (3957, 5341)]