21010812

素因数分解:

$2^2\times 3^1\times {\mathrm{1750901}}^1$

素因数の和:1750908

約数の個数: 12

約数和(自身を含む): 49025256

約数和(自身を除く): 28014444

約数列:

[1, 2, 3, 4, 6, 12, 1750901, 3501802, 5252703, 7003604, 10505406, 21010812]

約数ペア:

[(1, 21010812), (2, 10505406), (3, 7003604), (4, 5252703), (6, 3501802), (12, 1750901)]