21058839

素因数分解:

$3^3\times {\mathrm{773}}^1\times {\mathrm{1009}}^1$

素因数の和:1791

約数の個数: 16

約数和(自身を含む): 31269600

約数和(自身を除く): 10210761

約数列:

[1, 3, 9, 27, 773, 1009, 2319, 3027, 6957, 9081, 20871, 27243, 779957, 2339871, 7019613, 21058839]

約数ペア:

[(1, 21058839), (3, 7019613), (9, 2339871), (27, 779957), (773, 27243), (1009, 20871), (2319, 9081), (3027, 6957)]