21127100

素因数分解:

$2^2\times 5^2\times {\mathrm{211271}}^1$

素因数の和:211285

約数の個数: 18

約数和(自身を含む): 45846024

約数和(自身を除く): 24718924

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 211271, 422542, 845084, 1056355, 2112710, 4225420, 5281775, 10563550, 21127100]

約数ペア:

[(1, 21127100), (2, 10563550), (4, 5281775), (5, 4225420), (10, 2112710), (20, 1056355), (25, 845084), (50, 422542), (100, 211271)]