21593585

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{4679}}^1$

素因数の和:4768

約数の個数: 16

約数和(自身を含む): 28304640

約数和(自身を除く): 6711055

約数列:

[1, 5, 13, 65, 71, 355, 923, 4615, 4679, 23395, 60827, 304135, 332209, 1661045, 4318717, 21593585]

約数ペア:

[(1, 21593585), (5, 4318717), (13, 1661045), (65, 332209), (71, 304135), (355, 60827), (923, 23395), (4615, 4679)]