21218103693

素因数分解:

$3^2\times {\mathrm{151}}^1\times {\mathrm{15613027}}^1$

素因数の和:15613184

約数の個数: 12

約数和(自身を含む): 30851343328

約数和(自身を除く): 9633239635

約数列:

[1, 3, 9, 151, 453, 1359, 15613027, 46839081, 140517243, 2357567077, 7072701231, 21218103693]

約数ペア:

[(1, 21218103693), (3, 7072701231), (9, 2357567077), (151, 140517243), (453, 46839081), (1359, 15613027)]