21160874

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{65717}}^1$

素因数の和:65749

約数の個数: 16

約数和(自身を含む): 37853568

約数和(自身を除く): 16692694

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 65717, 131434, 460019, 920038, 1511491, 3022982, 10580437, 21160874]

約数ペア:

[(1, 21160874), (2, 10580437), (7, 3022982), (14, 1511491), (23, 920038), (46, 460019), (161, 131434), (322, 65717)]