21606351

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{10453}}^1$

素因数の和:10522

約数の個数: 16

約数和(自身を含む): 31612896

約数和(自身を除く): 10006545

約数列:

[1, 3, 13, 39, 53, 159, 689, 2067, 10453, 31359, 135889, 407667, 554009, 1662027, 7202117, 21606351]

約数ペア:

[(1, 21606351), (3, 7202117), (13, 1662027), (39, 554009), (53, 407667), (159, 135889), (689, 31359), (2067, 10453)]