21701589

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79493}}^1$

素因数の和:79516

約数の個数: 16

約数和(自身を含む): 35613312

約数和(自身を除く): 13911723

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 79493, 238479, 556451, 1033409, 1669353, 3100227, 7233863, 21701589]

約数ペア:

[(1, 21701589), (3, 7233863), (7, 3100227), (13, 1669353), (21, 1033409), (39, 556451), (91, 238479), (273, 79493)]