21296750

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{5011}}^1$

素因数の和:5045

約数の個数: 32

約数和(自身を含む): 42221088

約数和(自身を除く): 20924338

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 125, 170, 250, 425, 850, 2125, 4250, 5011, 10022, 25055, 50110, 85187, 125275, 170374, 250550, 425935, 626375, 851870, 1252750, 2129675, 4259350, 10648375, 21296750]

約数ペア:

[(1, 21296750), (2, 10648375), (5, 4259350), (10, 2129675), (17, 1252750), (25, 851870), (34, 626375), (50, 425935), (85, 250550), (125, 170374), (170, 125275), (250, 85187), (425, 50110), (850, 25055), (2125, 10022), (4250, 5011)]