21001236

素因数分解:

$2^2\times 3^1\times {\mathrm{1750103}}^1$

素因数の和:1750110

約数の個数: 12

約数和(自身を含む): 49002912

約数和(自身を除く): 28001676

約数列:

[1, 2, 3, 4, 6, 12, 1750103, 3500206, 5250309, 7000412, 10500618, 21001236]

約数ペア:

[(1, 21001236), (2, 10500618), (3, 7000412), (4, 5250309), (6, 3500206), (12, 1750103)]