21096548

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{4481}}^1$

素因数の和:4603

約数の個数: 24

約数和(自身を含む): 40660704

約数和(自身を除く): 19564156

約数列:

[1, 2, 4, 11, 22, 44, 107, 214, 428, 1177, 2354, 4481, 4708, 8962, 17924, 49291, 98582, 197164, 479467, 958934, 1917868, 5274137, 10548274, 21096548]

約数ペア:

[(1, 21096548), (2, 10548274), (4, 5274137), (11, 1917868), (22, 958934), (44, 479467), (107, 197164), (214, 98582), (428, 49291), (1177, 17924), (2354, 8962), (4481, 4708)]