210553660

素因数分解:

$2^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{12823}}^1$

素因数の和:13653

約数の個数: 24

約数和(自身を含む): 442735776

約数和(自身を除く): 232182116

約数列:

[1, 2, 4, 5, 10, 20, 821, 1642, 3284, 4105, 8210, 12823, 16420, 25646, 51292, 64115, 128230, 256460, 10527683, 21055366, 42110732, 52638415, 105276830, 210553660]

約数ペア:

[(1, 210553660), (2, 105276830), (4, 52638415), (5, 42110732), (10, 21055366), (20, 10527683), (821, 256460), (1642, 128230), (3284, 64115), (4105, 51292), (8210, 25646), (12823, 16420)]