21568437

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{8069}}^1$

素因数の和:8095

約数の個数: 24

約数和(自身を含む): 35249760

約数和(自身を除く): 13681323

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 243, 297, 891, 2673, 8069, 24207, 72621, 88759, 217863, 266277, 653589, 798831, 1960767, 2396493, 7189479, 21568437]

約数ペア:

[(1, 21568437), (3, 7189479), (9, 2396493), (11, 1960767), (27, 798831), (33, 653589), (81, 266277), (99, 217863), (243, 88759), (297, 72621), (891, 24207), (2673, 8069)]