21105460445

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1433}}^1\times {\mathrm{1439}}^1$

素因数の和:2989

約数の個数: 32

約数和(自身を含む): 26761881600

約数和(自身を除く): 5656421155

約数列:

[1, 5, 23, 89, 115, 445, 1433, 1439, 2047, 7165, 7195, 10235, 32959, 33097, 127537, 128071, 164795, 165485, 637685, 640355, 2062087, 2933351, 2945633, 10310435, 14666755, 14728165, 47428001, 183525743, 237140005, 917628715, 4221092089, 21105460445]

約数ペア:

[(1, 21105460445), (5, 4221092089), (23, 917628715), (89, 237140005), (115, 183525743), (445, 47428001), (1433, 14728165), (1439, 14666755), (2047, 10310435), (7165, 2945633), (7195, 2933351), (10235, 2062087), (32959, 640355), (33097, 637685), (127537, 165485), (128071, 164795)]