21103767

素因数分解:

$3^3\times {\mathrm{113}}^1\times {\mathrm{6917}}^1$

素因数の和:7039

約数の個数: 16

約数和(自身を含む): 31546080

約数和(自身を除く): 10442313

約数列:

[1, 3, 9, 27, 113, 339, 1017, 3051, 6917, 20751, 62253, 186759, 781621, 2344863, 7034589, 21103767]

約数ペア:

[(1, 21103767), (3, 7034589), (9, 2344863), (27, 781621), (113, 186759), (339, 62253), (1017, 20751), (3051, 6917)]