21331400

素因数分解:

$2^3\times 5^2\times {\mathrm{106657}}^1$

素因数の和:106673

約数の個数: 24

約数和(自身を含む): 49595970

約数和(自身を除く): 28264570

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 106657, 213314, 426628, 533285, 853256, 1066570, 2133140, 2666425, 4266280, 5332850, 10665700, 21331400]

約数ペア:

[(1, 21331400), (2, 10665700), (4, 5332850), (5, 4266280), (8, 2666425), (10, 2133140), (20, 1066570), (25, 853256), (40, 533285), (50, 426628), (100, 213314), (200, 106657)]