21000478060

素因数分解:

$2^2\times 5^1\times {\mathrm{1050023903}}^1$

素因数の和:1050023912

約数の個数: 12

約数和(自身を含む): 44101003968

約数和(自身を除く): 23100525908

約数列:

[1, 2, 4, 5, 10, 20, 1050023903, 2100047806, 4200095612, 5250119515, 10500239030, 21000478060]

約数ペア:

[(1, 21000478060), (2, 10500239030), (4, 5250119515), (5, 4200095612), (10, 2100047806), (20, 1050023903)]