21806121

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{1789}}^1$

素因数の和:2048

約数の個数: 16

約数和(自身を含む): 30931200

約数和(自身を除く): 9125079

約数列:

[1, 3, 17, 51, 239, 717, 1789, 4063, 5367, 12189, 30413, 91239, 427571, 1282713, 7268707, 21806121]

約数ペア:

[(1, 21806121), (3, 7268707), (17, 1282713), (51, 427571), (239, 91239), (717, 30413), (1789, 12189), (4063, 5367)]