21129647617

素因数分解:

${\mathrm{13}}^1\times {\mathrm{821}}^1\times {\mathrm{1979729}}^1$

素因数の和:1980563

約数の個数: 8

約数和(自身を含む): 22782732840

約数和(自身を除く): 1653085223

約数列:

[1, 13, 821, 10673, 1979729, 25736477, 1625357509, 21129647617]

約数ペア:

[(1, 21129647617), (13, 1625357509), (821, 25736477), (10673, 1979729)]