21574804977

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{4003}}^1$

素因数の和:4312

約数の個数: 80

約数和(自身を含む): 36836287488

約数和(自身を除く): 15261482511

約数列:

[1, 3, 9, 11, 23, 27, 33, 69, 81, 99, 207, 253, 263, 297, 621, 759, 789, 891, 1863, 2277, 2367, 2893, 4003, 6049, 6831, 7101, 8679, 12009, 18147, 20493, 21303, 26037, 36027, 44033, 54441, 66539, 78111, 92069, 108081, 132099, 163323, 199617, 234333, 276207, 324243, 396297, 489969, 598851, 828621, 1012759, 1052789, 1188891, 1796553, 2485863, 3038277, 3158367, 3566673, 5389659, 7457589, 9114831, 9475101, 11580679, 24214147, 27344493, 28425303, 34742037, 72642441, 82033479, 85275909, 104226111, 217927323, 266355617, 312678333, 653781969, 799066851, 938034999, 1961345907, 2397200553, 7191601659, 21574804977]

約数ペア:

[(1, 21574804977), (3, 7191601659), (9, 2397200553), (11, 1961345907), (23, 938034999), (27, 799066851), (33, 653781969), (69, 312678333), (81, 266355617), (99, 217927323), (207, 104226111), (253, 85275909), (263, 82033479), (297, 72642441), (621, 34742037), (759, 28425303), (789, 27344493), (891, 24214147), (1863, 11580679), (2277, 9475101), (2367, 9114831), (2893, 7457589), (4003, 5389659), (6049, 3566673), (6831, 3158367), (7101, 3038277), (8679, 2485863), (12009, 1796553), (18147, 1188891), (20493, 1052789), (21303, 1012759), (26037, 828621), (36027, 598851), (44033, 489969), (54441, 396297), (66539, 324243), (78111, 276207), (92069, 234333), (108081, 199617), (132099, 163323)]