21099119811

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{754861}}^1$

素因数の和:754904

約数の個数: 32

約数和(自身を含む): 35363774976

約数和(自身を除く): 14264655165

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 1331, 2541, 3993, 9317, 27951, 754861, 2264583, 5284027, 8303471, 15852081, 24910413, 58124297, 91338181, 174372891, 274014543, 639367267, 1004719991, 1918101801, 3014159973, 7033039937, 21099119811]

約数ペア:

[(1, 21099119811), (3, 7033039937), (7, 3014159973), (11, 1918101801), (21, 1004719991), (33, 639367267), (77, 274014543), (121, 174372891), (231, 91338181), (363, 58124297), (847, 24910413), (1331, 15852081), (2541, 8303471), (3993, 5284027), (9317, 2264583), (27951, 754861)]