21591246

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{1579}}^1$

素因数の和:1680

約数の個数: 32

約数和(自身を含む): 45048960

約数和(自身を除く): 23457714

約数列:

[1, 2, 3, 6, 43, 53, 86, 106, 129, 159, 258, 318, 1579, 2279, 3158, 4558, 4737, 6837, 9474, 13674, 67897, 83687, 135794, 167374, 203691, 251061, 407382, 502122, 3598541, 7197082, 10795623, 21591246]

約数ペア:

[(1, 21591246), (2, 10795623), (3, 7197082), (6, 3598541), (43, 502122), (53, 407382), (86, 251061), (106, 203691), (129, 167374), (159, 135794), (258, 83687), (318, 67897), (1579, 13674), (2279, 9474), (3158, 6837), (4558, 4737)]