21886576

素因数分解:

$2^4\times {\mathrm{173}}^1\times {\mathrm{7907}}^1$

素因数の和:8088

約数の個数: 20

約数和(自身を含む): 42655752

約数和(自身を除く): 20769176

約数列:

[1, 2, 4, 8, 16, 173, 346, 692, 1384, 2768, 7907, 15814, 31628, 63256, 126512, 1367911, 2735822, 5471644, 10943288, 21886576]

約数ペア:

[(1, 21886576), (2, 10943288), (4, 5471644), (8, 2735822), (16, 1367911), (173, 126512), (346, 63256), (692, 31628), (1384, 15814), (2768, 7907)]