21204696

素因数分解:

$2^3\times 3^1\times {\mathrm{67}}^1\times {\mathrm{13187}}^1$

素因数の和:13263

約数の個数: 32

約数和(自身を含む): 53807040

約数和(自身を除く): 32602344

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 67, 134, 201, 268, 402, 536, 804, 1608, 13187, 26374, 39561, 52748, 79122, 105496, 158244, 316488, 883529, 1767058, 2650587, 3534116, 5301174, 7068232, 10602348, 21204696]

約数ペア:

[(1, 21204696), (2, 10602348), (3, 7068232), (4, 5301174), (6, 3534116), (8, 2650587), (12, 1767058), (24, 883529), (67, 316488), (134, 158244), (201, 105496), (268, 79122), (402, 52748), (536, 39561), (804, 26374), (1608, 13187)]