21372490

素因数分解:

$2^1\times 5^1\times {\mathrm{877}}^1\times {\mathrm{2437}}^1$

素因数の和:3321

約数の個数: 16

約数和(自身を含む): 38530152

約数和(自身を除く): 17157662

約数列:

[1, 2, 5, 10, 877, 1754, 2437, 4385, 4874, 8770, 12185, 24370, 2137249, 4274498, 10686245, 21372490]

約数ペア:

[(1, 21372490), (2, 10686245), (5, 4274498), (10, 2137249), (877, 24370), (1754, 12185), (2437, 8770), (4385, 4874)]