21245118

素因数分解:

$2^1\times 3^1\times {\mathrm{1063}}^1\times {\mathrm{3331}}^1$

素因数の和:4399

約数の個数: 16

約数和(自身を含む): 42542976

約数和(自身を除く): 21297858

約数列:

[1, 2, 3, 6, 1063, 2126, 3189, 3331, 6378, 6662, 9993, 19986, 3540853, 7081706, 10622559, 21245118]

約数ペア:

[(1, 21245118), (2, 10622559), (3, 7081706), (6, 3540853), (1063, 19986), (2126, 9993), (3189, 6662), (3331, 6378)]