21400076545

素因数分解:

$5^1\times {\mathrm{739}}^1\times {\mathrm{809}}^1\times {\mathrm{7159}}^1$

素因数の和:8712

約数の個数: 16

約数和(自身を含む): 25750224000

約数和(自身を除く): 4350147455

約数列:

[1, 5, 739, 809, 3695, 4045, 7159, 35795, 597851, 2989255, 5290501, 5791631, 26452505, 28958155, 4280015309, 21400076545]

約数ペア:

[(1, 21400076545), (5, 4280015309), (739, 28958155), (809, 26452505), (3695, 5791631), (4045, 5290501), (7159, 2989255), (35795, 597851)]