21030185

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{2791}}^1$

素因数の和:2944

約数の個数: 16

約数和(自身を含む): 27741312

約数和(自身を除く): 6711127

約数列:

[1, 5, 11, 55, 137, 685, 1507, 2791, 7535, 13955, 30701, 153505, 382367, 1911835, 4206037, 21030185]

約数ペア:

[(1, 21030185), (5, 4206037), (11, 1911835), (55, 382367), (137, 153505), (685, 30701), (1507, 13955), (2791, 7535)]