21486472

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12377}}^1$

素因数の和:12421

約数の個数: 32

約数和(自身を含む): 47531520

約数和(自身を除く): 26045048

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 12377, 24754, 49508, 86639, 99016, 173278, 346556, 383687, 693112, 767374, 1534748, 2685809, 3069496, 5371618, 10743236, 21486472]

約数ペア:

[(1, 21486472), (2, 10743236), (4, 5371618), (7, 3069496), (8, 2685809), (14, 1534748), (28, 767374), (31, 693112), (56, 383687), (62, 346556), (124, 173278), (217, 99016), (248, 86639), (434, 49508), (868, 24754), (1736, 12377)]