21199514

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{65837}}^1$

素因数の和:65869

約数の個数: 16

約数和(自身を含む): 37922688

約数和(自身を除く): 16723174

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 65837, 131674, 460859, 921718, 1514251, 3028502, 10599757, 21199514]

約数ペア:

[(1, 21199514), (2, 10599757), (7, 3028502), (14, 1514251), (23, 921718), (46, 460859), (161, 131674), (322, 65837)]