21421694

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{937}}^1$

素因数の和:1040

約数の個数: 32

約数和(自身を含む): 38900736

約数和(自身を除く): 17479042

約数列:

[1, 2, 7, 14, 23, 46, 71, 142, 161, 322, 497, 937, 994, 1633, 1874, 3266, 6559, 11431, 13118, 21551, 22862, 43102, 66527, 133054, 150857, 301714, 465689, 931378, 1530121, 3060242, 10710847, 21421694]

約数ペア:

[(1, 21421694), (2, 10710847), (7, 3060242), (14, 1530121), (23, 931378), (46, 465689), (71, 301714), (142, 150857), (161, 133054), (322, 66527), (497, 43102), (937, 22862), (994, 21551), (1633, 13118), (1874, 11431), (3266, 6559)]