21000741864

素因数分解:

$2^3\times 3^1\times {\mathrm{875030911}}^1$

素因数の和:875030920

約数の個数: 16

約数和(自身を含む): 52501854720

約数和(自身を除く): 31501112856

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 875030911, 1750061822, 2625092733, 3500123644, 5250185466, 7000247288, 10500370932, 21000741864]

約数ペア:

[(1, 21000741864), (2, 10500370932), (3, 7000247288), (4, 5250185466), (6, 3500123644), (8, 2625092733), (12, 1750061822), (24, 875030911)]