21092250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{28123}}^1$

素因数の和:28143

約数の個数: 32

約数和(自身を含む): 52648128

約数和(自身を除く): 31555878

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 150, 250, 375, 750, 28123, 56246, 84369, 140615, 168738, 281230, 421845, 703075, 843690, 1406150, 2109225, 3515375, 4218450, 7030750, 10546125, 21092250]

約数ペア:

[(1, 21092250), (2, 10546125), (3, 7030750), (5, 4218450), (6, 3515375), (10, 2109225), (15, 1406150), (25, 843690), (30, 703075), (50, 421845), (75, 281230), (125, 168738), (150, 140615), (250, 84369), (375, 56246), (750, 28123)]