21057684

素因数分解:

$2^2\times 3^1\times {\mathrm{1117}}^1\times {\mathrm{1571}}^1$

素因数の和:2695

約数の個数: 24

約数和(自身を含む): 49209888

約数和(自身を除く): 28152204

約数列:

[1, 2, 3, 4, 6, 12, 1117, 1571, 2234, 3142, 3351, 4468, 4713, 6284, 6702, 9426, 13404, 18852, 1754807, 3509614, 5264421, 7019228, 10528842, 21057684]

約数ペア:

[(1, 21057684), (2, 10528842), (3, 7019228), (4, 5264421), (6, 3509614), (12, 1754807), (1117, 18852), (1571, 13404), (2234, 9426), (3142, 6702), (3351, 6284), (4468, 4713)]