21399098

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{379}}^1$

素因数の和:534

約数の個数: 32

約数和(自身を含む): 38121600

約数和(自身を除く): 16722502

約数列:

[1, 2, 7, 14, 37, 74, 109, 218, 259, 379, 518, 758, 763, 1526, 2653, 4033, 5306, 8066, 14023, 28046, 28231, 41311, 56462, 82622, 98161, 196322, 289177, 578354, 1528507, 3057014, 10699549, 21399098]

約数ペア:

[(1, 21399098), (2, 10699549), (7, 3057014), (14, 1528507), (37, 578354), (74, 289177), (109, 196322), (218, 98161), (259, 82622), (379, 56462), (518, 41311), (758, 28231), (763, 28046), (1526, 14023), (2653, 8066), (4033, 5306)]