21672854

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67307}}^1$

素因数の和:67339

約数の個数: 16

約数和(自身を含む): 38769408

約数和(自身を除く): 17096554

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 67307, 134614, 471149, 942298, 1548061, 3096122, 10836427, 21672854]

約数ペア:

[(1, 21672854), (2, 10836427), (7, 3096122), (14, 1548061), (23, 942298), (46, 471149), (161, 134614), (322, 67307)]