21557644

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{1667}}^1$

素因数の和:1785

約数の個数: 24

約数和(自身を含む): 39091248

約数和(自身を除く): 17533604

約数列:

[1, 2, 4, 53, 61, 106, 122, 212, 244, 1667, 3233, 3334, 6466, 6668, 12932, 88351, 101687, 176702, 203374, 353404, 406748, 5389411, 10778822, 21557644]

約数ペア:

[(1, 21557644), (2, 10778822), (4, 5389411), (53, 406748), (61, 353404), (106, 203374), (122, 176702), (212, 101687), (244, 88351), (1667, 12932), (3233, 6668), (3334, 6466)]