21380600

素因数分解:

$2^3\times 5^2\times {\mathrm{106903}}^1$

素因数の和:106919

約数の個数: 24

約数和(自身を含む): 49710360

約数和(自身を除く): 28329760

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 106903, 213806, 427612, 534515, 855224, 1069030, 2138060, 2672575, 4276120, 5345150, 10690300, 21380600]

約数ペア:

[(1, 21380600), (2, 10690300), (4, 5345150), (5, 4276120), (8, 2672575), (10, 2138060), (20, 1069030), (25, 855224), (40, 534515), (50, 427612), (100, 213806), (200, 106903)]