21263800

素因数分解:

$2^3\times 5^2\times {\mathrm{106319}}^1$

素因数の和:106335

約数の個数: 24

約数和(自身を含む): 49438800

約数和(自身を除く): 28175000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 106319, 212638, 425276, 531595, 850552, 1063190, 2126380, 2657975, 4252760, 5315950, 10631900, 21263800]

約数ペア:

[(1, 21263800), (2, 10631900), (4, 5315950), (5, 4252760), (8, 2657975), (10, 2126380), (20, 1063190), (25, 850552), (40, 531595), (50, 425276), (100, 212638), (200, 106319)]