21161313

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1039}}^1$

素因数の和:1149

約数の個数: 24

約数和(自身を含む): 32015360

約数和(自身を除く): 10854047

約数列:

[1, 3, 9, 31, 73, 93, 219, 279, 657, 1039, 2263, 3117, 6789, 9351, 20367, 32209, 75847, 96627, 227541, 289881, 682623, 2351257, 7053771, 21161313]

約数ペア:

[(1, 21161313), (3, 7053771), (9, 2351257), (31, 682623), (73, 289881), (93, 227541), (219, 96627), (279, 75847), (657, 32209), (1039, 20367), (2263, 9351), (3117, 6789)]