21517812

素因数分解:

$2^2\times 3^4\times {\mathrm{66413}}^1$

素因数の和:66429

約数の個数: 30

約数和(自身を含む): 56252658

約数和(自身を除く): 34734846

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 66413, 132826, 199239, 265652, 398478, 597717, 796956, 1195434, 1793151, 2390868, 3586302, 5379453, 7172604, 10758906, 21517812]

約数ペア:

[(1, 21517812), (2, 10758906), (3, 7172604), (4, 5379453), (6, 3586302), (9, 2390868), (12, 1793151), (18, 1195434), (27, 796956), (36, 597717), (54, 398478), (81, 265652), (108, 199239), (162, 132826), (324, 66413)]