21843856

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{22381}}^1$

素因数の和:22450

約数の個数: 20

約数和(自身を含む): 43018204

約数和(自身を除く): 21174348

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 22381, 44762, 89524, 179048, 358096, 1365241, 2730482, 5460964, 10921928, 21843856]

約数ペア:

[(1, 21843856), (2, 10921928), (4, 5460964), (8, 2730482), (16, 1365241), (61, 358096), (122, 179048), (244, 89524), (488, 44762), (976, 22381)]