21441352

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{4261}}^1$

素因数の和:4321

約数の個数: 32

約数和(自身を含む): 43728120

約数和(自身を除く): 22286768

約数列:

[1, 2, 4, 8, 17, 34, 37, 68, 74, 136, 148, 296, 629, 1258, 2516, 4261, 5032, 8522, 17044, 34088, 72437, 144874, 157657, 289748, 315314, 579496, 630628, 1261256, 2680169, 5360338, 10720676, 21441352]

約数ペア:

[(1, 21441352), (2, 10720676), (4, 5360338), (8, 2680169), (17, 1261256), (34, 630628), (37, 579496), (68, 315314), (74, 289748), (136, 157657), (148, 144874), (296, 72437), (629, 34088), (1258, 17044), (2516, 8522), (4261, 5032)]