21928588

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{45307}}^1$

素因数の和:45333

約数の個数: 18

約数和(自身を含む): 42181748

約数和(自身を除く): 20253160

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 45307, 90614, 181228, 498377, 996754, 1993508, 5482147, 10964294, 21928588]

約数ペア:

[(1, 21928588), (2, 10964294), (4, 5482147), (11, 1993508), (22, 996754), (44, 498377), (121, 181228), (242, 90614), (484, 45307)]