21052108

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{68351}}^1$

素因数の和:68373

約数の個数: 24

約数和(自身を含む): 45932544

約数和(自身を除く): 24880436

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 68351, 136702, 273404, 478457, 751861, 956914, 1503722, 1913828, 3007444, 5263027, 10526054, 21052108]

約数ペア:

[(1, 21052108), (2, 10526054), (4, 5263027), (7, 3007444), (11, 1913828), (14, 1503722), (22, 956914), (28, 751861), (44, 478457), (77, 273404), (154, 136702), (308, 68351)]