21669788

素因数分解:

$2^2\times 7^1\times {\mathrm{443}}^1\times {\mathrm{1747}}^1$

素因数の和:2201

約数の個数: 24

約数和(自身を含む): 43462272

約数和(自身を除く): 21792484

約数列:

[1, 2, 4, 7, 14, 28, 443, 886, 1747, 1772, 3101, 3494, 6202, 6988, 12229, 12404, 24458, 48916, 773921, 1547842, 3095684, 5417447, 10834894, 21669788]

約数ペア:

[(1, 21669788), (2, 10834894), (4, 5417447), (7, 3095684), (14, 1547842), (28, 773921), (443, 48916), (886, 24458), (1747, 12404), (1772, 12229), (3101, 6988), (3494, 6202)]