21646180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37321}}^1$

素因数の和:37359

約数の個数: 24

約数和(自身を含む): 47025720

約数和(自身を除く): 25379540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 37321, 74642, 149284, 186605, 373210, 746420, 1082309, 2164618, 4329236, 5411545, 10823090, 21646180]

約数ペア:

[(1, 21646180), (2, 10823090), (4, 5411545), (5, 4329236), (10, 2164618), (20, 1082309), (29, 746420), (58, 373210), (116, 186605), (145, 149284), (290, 74642), (580, 37321)]