21061323025

素因数分解:

$5^2\times {\mathrm{2861}}^1\times {\mathrm{294461}}^1$

素因数の和:297332

約数の個数: 12

約数和(自身を含む): 26125257564

約数和(自身を除く): 5063934539

約数列:

[1, 5, 25, 2861, 14305, 71525, 294461, 1472305, 7361525, 842452921, 4212264605, 21061323025]

約数ペア:

[(1, 21061323025), (5, 4212264605), (25, 842452921), (2861, 7361525), (14305, 1472305), (71525, 294461)]