21284795

素因数分解:

$5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{6833}}^1$

素因数の和:6934

約数の個数: 16

約数和(自身を含む): 29522880

約数和(自身を除く): 8238085

約数列:

[1, 5, 7, 35, 89, 445, 623, 3115, 6833, 34165, 47831, 239155, 608137, 3040685, 4256959, 21284795]

約数ペア:

[(1, 21284795), (5, 4256959), (7, 3040685), (35, 608137), (89, 239155), (445, 47831), (623, 34165), (3115, 6833)]