21331330281

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{30001871}}^1$

素因数の和:30001956

約数の個数: 12

約数和(自身を含む): 31201946880

約数和(自身を除く): 9870616599

約数列:

[1, 3, 9, 79, 237, 711, 30001871, 90005613, 270016839, 2370147809, 7110443427, 21331330281]

約数ペア:

[(1, 21331330281), (3, 7110443427), (9, 2370147809), (79, 270016839), (237, 90005613), (711, 30001871)]