21291103654195

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{14401}}^1\times {\mathrm{3322351}}^1$

素因数の和:3336846

約数の個数: 16

約数和(自身を含む): 25838197292160

約数和(自身を除く): 4547093637965

約数列:

[1, 5, 89, 445, 14401, 72005, 1281689, 3322351, 6408445, 16611755, 295689239, 1478446195, 47845176751, 239225883755, 4258220730839, 21291103654195]

約数ペア:

[(1, 21291103654195), (5, 4258220730839), (89, 239225883755), (445, 47845176751), (14401, 1478446195), (72005, 295689239), (1281689, 16611755), (3322351, 6408445)]