21169755651

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{164447}}^1$

素因数の和:164591

約数の個数: 32

約数和(自身を含む): 31826608128

約数和(自身を除く): 10656852477

約数列:

[1, 3, 11, 33, 47, 83, 141, 249, 517, 913, 1551, 2739, 3901, 11703, 42911, 128733, 164447, 493341, 1808917, 5426751, 7729009, 13649101, 23187027, 40947303, 85019099, 150140111, 255057297, 450420333, 641507747, 1924523241, 7056585217, 21169755651]

約数ペア:

[(1, 21169755651), (3, 7056585217), (11, 1924523241), (33, 641507747), (47, 450420333), (83, 255057297), (141, 150140111), (249, 85019099), (517, 40947303), (913, 23187027), (1551, 13649101), (2739, 7729009), (3901, 5426751), (11703, 1808917), (42911, 493341), (128733, 164447)]