21271850

素因数分解:

$2^1\times 5^2\times {\mathrm{467}}^1\times {\mathrm{911}}^1$

素因数の和:1390

約数の個数: 24

約数和(自身を含む): 39693888

約数和(自身を除く): 18422038

約数列:

[1, 2, 5, 10, 25, 50, 467, 911, 934, 1822, 2335, 4555, 4670, 9110, 11675, 22775, 23350, 45550, 425437, 850874, 2127185, 4254370, 10635925, 21271850]

約数ペア:

[(1, 21271850), (2, 10635925), (5, 4254370), (10, 2127185), (25, 850874), (50, 425437), (467, 45550), (911, 23350), (934, 22775), (1822, 11675), (2335, 9110), (4555, 4670)]