21120756

素因数分解:

$2^2\times 3^1\times {\mathrm{1213}}^1\times {\mathrm{1451}}^1$

素因数の和:2671

約数の個数: 24

約数和(自身を含む): 49356384

約数和(自身を除く): 28235628

約数列:

[1, 2, 3, 4, 6, 12, 1213, 1451, 2426, 2902, 3639, 4353, 4852, 5804, 7278, 8706, 14556, 17412, 1760063, 3520126, 5280189, 7040252, 10560378, 21120756]

約数ペア:

[(1, 21120756), (2, 10560378), (3, 7040252), (4, 5280189), (6, 3520126), (12, 1760063), (1213, 17412), (1451, 14556), (2426, 8706), (2902, 7278), (3639, 5804), (4353, 4852)]