21605150

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{61729}}^1$

素因数の和:61748

約数の個数: 24

約数和(自身を含む): 45927120

約数和(自身を除く): 24321970

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 350, 61729, 123458, 308645, 432103, 617290, 864206, 1543225, 2160515, 3086450, 4321030, 10802575, 21605150]

約数ペア:

[(1, 21605150), (2, 10802575), (5, 4321030), (7, 3086450), (10, 2160515), (14, 1543225), (25, 864206), (35, 617290), (50, 432103), (70, 308645), (175, 123458), (350, 61729)]