21000434668

素因数分解:

$2^2\times {\mathrm{1559}}^1\times {\mathrm{3367613}}^1$

素因数の和:3369176

約数の個数: 12

約数和(自身を含む): 36774344880

約数和(自身を除く): 15773910212

約数列:

[1, 2, 4, 1559, 3118, 6236, 3367613, 6735226, 13470452, 5250108667, 10500217334, 21000434668]

約数ペア:

[(1, 21000434668), (2, 10500217334), (4, 5250108667), (1559, 13470452), (3118, 6735226), (6236, 3367613)]