21308450

素因数分解:

$2^1\times 5^2\times {\mathrm{229}}^1\times {\mathrm{1861}}^1$

素因数の和:2102

約数の個数: 24

約数和(自身を含む): 39828180

約数和(自身を除く): 18519730

約数列:

[1, 2, 5, 10, 25, 50, 229, 458, 1145, 1861, 2290, 3722, 5725, 9305, 11450, 18610, 46525, 93050, 426169, 852338, 2130845, 4261690, 10654225, 21308450]

約数ペア:

[(1, 21308450), (2, 10654225), (5, 4261690), (10, 2130845), (25, 852338), (50, 426169), (229, 93050), (458, 46525), (1145, 18610), (1861, 11450), (2290, 9305), (3722, 5725)]