21271562

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{12211}}^1$

素因数の和:12293

約数の個数: 16

約数和(自身を含む): 34877472

約数和(自身を除く): 13605910

約数列:

[1, 2, 13, 26, 67, 134, 871, 1742, 12211, 24422, 158743, 317486, 818137, 1636274, 10635781, 21271562]

約数ペア:

[(1, 21271562), (2, 10635781), (13, 1636274), (26, 818137), (67, 317486), (134, 158743), (871, 24422), (1742, 12211)]