21626990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{28087}}^1$

素因数の和:28112

約数の個数: 32

約数和(自身を含む): 48536064

約数和(自身を除く): 26909074

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 28087, 56174, 140435, 196609, 280870, 308957, 393218, 617914, 983045, 1544785, 1966090, 2162699, 3089570, 4325398, 10813495, 21626990]

約数ペア:

[(1, 21626990), (2, 10813495), (5, 4325398), (7, 3089570), (10, 2162699), (11, 1966090), (14, 1544785), (22, 983045), (35, 617914), (55, 393218), (70, 308957), (77, 280870), (110, 196609), (154, 140435), (385, 56174), (770, 28087)]