21925570

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{1009}}^1$

素因数の和:1110

約数の個数: 32

約数和(自身を含む): 41232240

約数和(自身を除く): 19306670

約数列:

[1, 2, 5, 10, 41, 53, 82, 106, 205, 265, 410, 530, 1009, 2018, 2173, 4346, 5045, 10090, 10865, 21730, 41369, 53477, 82738, 106954, 206845, 267385, 413690, 534770, 2192557, 4385114, 10962785, 21925570]

約数ペア:

[(1, 21925570), (2, 10962785), (5, 4385114), (10, 2192557), (41, 534770), (53, 413690), (82, 267385), (106, 206845), (205, 106954), (265, 82738), (410, 53477), (530, 41369), (1009, 21730), (2018, 10865), (2173, 10090), (4346, 5045)]