21387954459

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{241}}^1\times {\mathrm{1020077}}^1$

素因数の和:1020350

約数の個数: 16

約数和(自身を含む): 29623065120

約数和(自身を除く): 8235110661

約数列:

[1, 3, 29, 87, 241, 723, 6989, 20967, 1020077, 3060231, 29582233, 88746699, 245838557, 737515671, 7129318153, 21387954459]

約数ペア:

[(1, 21387954459), (3, 7129318153), (29, 737515671), (87, 245838557), (241, 88746699), (723, 29582233), (6989, 3060231), (20967, 1020077)]