21000304824

素因数分解:

$2^3\times 3^1\times {\mathrm{875012701}}^1$

素因数の和:875012710

約数の個数: 16

約数和(自身を含む): 52500762120

約数和(自身を除く): 31500457296

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 875012701, 1750025402, 2625038103, 3500050804, 5250076206, 7000101608, 10500152412, 21000304824]

約数ペア:

[(1, 21000304824), (2, 10500152412), (3, 7000101608), (4, 5250076206), (6, 3500050804), (8, 2625038103), (12, 1750025402), (24, 875012701)]