21398761

素因数分解:

${\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{7351}}^1$

素因数の和:7463

約数の個数: 8

約数和(自身を含む): 22232448

約数和(自身を除く): 833687

約数列:

[1, 41, 71, 2911, 7351, 301391, 521921, 21398761]

約数ペア:

[(1, 21398761), (41, 521921), (71, 301391), (2911, 7351)]