21433321

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{743}}^1$

素因数の和:1080

約数の個数: 16

約数和(自身を含む): 26498304

約数和(自身を除く): 5064983

約数列:

[1, 7, 13, 91, 317, 743, 2219, 4121, 5201, 9659, 28847, 67613, 235531, 1648717, 3061903, 21433321]

約数ペア:

[(1, 21433321), (7, 3061903), (13, 1648717), (91, 235531), (317, 67613), (743, 28847), (2219, 9659), (4121, 5201)]