21731856

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{10529}}^1$

素因数の和:10583

約数の個数: 40

約数和(自身を含む): 57451680

約数和(自身を除く): 35719824

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 258, 344, 516, 688, 1032, 2064, 10529, 21058, 31587, 42116, 63174, 84232, 126348, 168464, 252696, 452747, 505392, 905494, 1358241, 1810988, 2716482, 3621976, 5432964, 7243952, 10865928, 21731856]

約数ペア:

[(1, 21731856), (2, 10865928), (3, 7243952), (4, 5432964), (6, 3621976), (8, 2716482), (12, 1810988), (16, 1358241), (24, 905494), (43, 505392), (48, 452747), (86, 252696), (129, 168464), (172, 126348), (258, 84232), (344, 63174), (516, 42116), (688, 31587), (1032, 21058), (2064, 10529)]