21096464

素因数分解:

$2^4\times {\mathrm{617}}^1\times {\mathrm{2137}}^1$

素因数の和:2762

約数の個数: 20

約数和(自身を含む): 40959804

約数和(自身を除く): 19863340

約数列:

[1, 2, 4, 8, 16, 617, 1234, 2137, 2468, 4274, 4936, 8548, 9872, 17096, 34192, 1318529, 2637058, 5274116, 10548232, 21096464]

約数ペア:

[(1, 21096464), (2, 10548232), (4, 5274116), (8, 2637058), (16, 1318529), (617, 34192), (1234, 17096), (2137, 9872), (2468, 8548), (4274, 4936)]