21227583

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{149}}^1\times {\mathrm{281}}^1$

素因数の和:459

約数の個数: 24

約数和(自身を含む): 30963600

約数和(自身を除く): 9736017

約数列:

[1, 3, 13, 39, 149, 169, 281, 447, 507, 843, 1937, 3653, 5811, 10959, 25181, 41869, 47489, 75543, 125607, 142467, 544297, 1632891, 7075861, 21227583]

約数ペア:

[(1, 21227583), (3, 7075861), (13, 1632891), (39, 544297), (149, 142467), (169, 125607), (281, 75543), (447, 47489), (507, 41869), (843, 25181), (1937, 10959), (3653, 5811)]