21702421

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{283}}^1\times {\mathrm{347}}^1$

素因数の和:660

約数の個数: 16

約数和(自身を含む): 24905664

約数和(自身を除く): 3203243

約数列:

[1, 13, 17, 221, 283, 347, 3679, 4511, 4811, 5899, 62543, 76687, 98201, 1276613, 1669417, 21702421]

約数ペア:

[(1, 21702421), (13, 1669417), (17, 1276613), (221, 98201), (283, 76687), (347, 62543), (3679, 5899), (4511, 4811)]