21091472

素因数分解:

$2^4\times {\mathrm{911}}^1\times {\mathrm{1447}}^1$

素因数の和:2366

約数の個数: 20

約数和(自身を含む): 40937856

約数和(自身を除く): 19846384

約数列:

[1, 2, 4, 8, 16, 911, 1447, 1822, 2894, 3644, 5788, 7288, 11576, 14576, 23152, 1318217, 2636434, 5272868, 10545736, 21091472]

約数ペア:

[(1, 21091472), (2, 10545736), (4, 5272868), (8, 2636434), (16, 1318217), (911, 23152), (1447, 14576), (1822, 11576), (2894, 7288), (3644, 5788)]