21909070945

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{3191}}^1\times {\mathrm{47351}}^1$

素因数の和:50576

約数の個数: 16

約数和(自身を含む): 27206565120

約数和(自身を除く): 5297494175

約数列:

[1, 5, 29, 145, 3191, 15955, 47351, 92539, 236755, 462695, 1373179, 6865895, 151097041, 755485205, 4381814189, 21909070945]

約数ペア:

[(1, 21909070945), (5, 4381814189), (29, 755485205), (145, 151097041), (3191, 6865895), (15955, 1373179), (47351, 462695), (92539, 236755)]