21899480

素因数分解:

$2^3\times 5^1\times {\mathrm{547487}}^1$

素因数の和:547498

約数の個数: 16

約数和(自身を含む): 49273920

約数和(自身を除く): 27374440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 547487, 1094974, 2189948, 2737435, 4379896, 5474870, 10949740, 21899480]

約数ペア:

[(1, 21899480), (2, 10949740), (4, 5474870), (5, 4379896), (8, 2737435), (10, 2189948), (20, 1094974), (40, 547487)]