21676834

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{661}}^1\times {\mathrm{863}}^1$

素因数の和:1545

約数の個数: 16

約数和(自身を含む): 34318080

約数和(自身を除く): 12641246

約数列:

[1, 2, 19, 38, 661, 863, 1322, 1726, 12559, 16397, 25118, 32794, 570443, 1140886, 10838417, 21676834]

約数ペア:

[(1, 21676834), (2, 10838417), (19, 1140886), (38, 570443), (661, 32794), (863, 25118), (1322, 16397), (1726, 12559)]