21537857601

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{770227}}^1$

素因数の和:770485

約数の個数: 24

約数和(自身を含む): 33643559040

約数和(自身を除く): 12105701439

約数列:

[1, 3, 9, 13, 39, 117, 239, 717, 2151, 3107, 9321, 27963, 770227, 2310681, 6932043, 10012951, 30038853, 90116559, 184084253, 552252759, 1656758277, 2393095289, 7179285867, 21537857601]

約数ペア:

[(1, 21537857601), (3, 7179285867), (9, 2393095289), (13, 1656758277), (39, 552252759), (117, 184084253), (239, 90116559), (717, 30038853), (2151, 10012951), (3107, 6932043), (9321, 2310681), (27963, 770227)]