21005614

素因数分解:

$2^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{2081}}^1$

素因数の和:2200

約数の個数: 24

約数和(自身を含む): 37026288

約数和(自身を除く): 16020674

約数列:

[1, 2, 7, 14, 49, 98, 103, 206, 721, 1442, 2081, 4162, 5047, 10094, 14567, 29134, 101969, 203938, 214343, 428686, 1500401, 3000802, 10502807, 21005614]

約数ペア:

[(1, 21005614), (2, 10502807), (7, 3000802), (14, 1500401), (49, 428686), (98, 214343), (103, 203938), (206, 101969), (721, 29134), (1442, 14567), (2081, 10094), (4162, 5047)]