21000638892

素因数分解:

$2^2\times 3^1\times {\mathrm{1750053241}}^1$

素因数の和:1750053248

約数の個数: 12

約数和(自身を含む): 49001490776

約数和(自身を除く): 28000851884

約数列:

[1, 2, 3, 4, 6, 12, 1750053241, 3500106482, 5250159723, 7000212964, 10500319446, 21000638892]

約数ペア:

[(1, 21000638892), (2, 10500319446), (3, 7000212964), (4, 5250159723), (6, 3500106482), (12, 1750053241)]