21514329

素因数分解:

$3^4\times {\mathrm{151}}^1\times {\mathrm{1759}}^1$

素因数の和:1922

約数の個数: 20

約数和(自身を含む): 32369920

約数和(自身を除く): 10855591

約数列:

[1, 3, 9, 27, 81, 151, 453, 1359, 1759, 4077, 5277, 12231, 15831, 47493, 142479, 265609, 796827, 2390481, 7171443, 21514329]

約数ペア:

[(1, 21514329), (3, 7171443), (9, 2390481), (27, 796827), (81, 265609), (151, 142479), (453, 47493), (1359, 15831), (1759, 12231), (4077, 5277)]