21834140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{26627}}^1$

素因数の和:26677

約数の個数: 24

約数和(自身を含む): 46971792

約数和(自身を除く): 25137652

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 26627, 53254, 106508, 133135, 266270, 532540, 1091707, 2183414, 4366828, 5458535, 10917070, 21834140]

約数ペア:

[(1, 21834140), (2, 10917070), (4, 5458535), (5, 4366828), (10, 2183414), (20, 1091707), (41, 532540), (82, 266270), (164, 133135), (205, 106508), (410, 53254), (820, 26627)]