21348844

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{485201}}^1$

素因数の和:485216

約数の個数: 12

約数和(自身を含む): 40756968

約数和(自身を除く): 19408124

約数列:

[1, 2, 4, 11, 22, 44, 485201, 970402, 1940804, 5337211, 10674422, 21348844]

約数ペア:

[(1, 21348844), (2, 10674422), (4, 5337211), (11, 1940804), (22, 970402), (44, 485201)]