21197129199

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{80273}}^1$

素因数の和:80431

約数の個数: 32

約数和(自身を含む): 30516963840

約数和(自身を除く): 9319834641

約数列:

[1, 3, 23, 43, 69, 89, 129, 267, 989, 2047, 2967, 3827, 6141, 11481, 80273, 88021, 240819, 264063, 1846279, 3451739, 5538837, 7144297, 10355217, 21432891, 79389997, 164318831, 238169991, 307204771, 492956493, 921614313, 7065709733, 21197129199]

約数ペア:

[(1, 21197129199), (3, 7065709733), (23, 921614313), (43, 492956493), (69, 307204771), (89, 238169991), (129, 164318831), (267, 79389997), (989, 21432891), (2047, 10355217), (2967, 7144297), (3827, 5538837), (6141, 3451739), (11481, 1846279), (80273, 264063), (88021, 240819)]