21096496

素因数分解:

$2^4\times {\mathrm{1087}}^1\times {\mathrm{1213}}^1$

素因数の和:2308

約数の個数: 20

約数和(自身を含む): 40945792

約数和(自身を除く): 19849296

約数列:

[1, 2, 4, 8, 16, 1087, 1213, 2174, 2426, 4348, 4852, 8696, 9704, 17392, 19408, 1318531, 2637062, 5274124, 10548248, 21096496]

約数ペア:

[(1, 21096496), (2, 10548248), (4, 5274124), (8, 2637062), (16, 1318531), (1087, 19408), (1213, 17392), (2174, 9704), (2426, 8696), (4348, 4852)]