21081242

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{115831}}^1$

素因数の和:115853

約数の個数: 16

約数和(自身を含む): 38919552

約数和(自身を除く): 17838310

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 115831, 231662, 810817, 1505803, 1621634, 3011606, 10540621, 21081242]

約数ペア:

[(1, 21081242), (2, 10540621), (7, 3011606), (13, 1621634), (14, 1505803), (26, 810817), (91, 231662), (182, 115831)]