21005112

素因数分解:

$2^3\times 3^1\times {\mathrm{875213}}^1$

素因数の和:875222

約数の個数: 16

約数和(自身を含む): 52512840

約数和(自身を除く): 31507728

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 875213, 1750426, 2625639, 3500852, 5251278, 7001704, 10502556, 21005112]

約数ペア:

[(1, 21005112), (2, 10502556), (3, 7001704), (4, 5251278), (6, 3500852), (8, 2625639), (12, 1750426), (24, 875213)]