21962545

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{2027}}^1$

素因数の和:2240

約数の個数: 16

約数和(自身を含む): 28911168

約数和(自身を除く): 6948623

約数列:

[1, 5, 11, 55, 197, 985, 2027, 2167, 10135, 10835, 22297, 111485, 399319, 1996595, 4392509, 21962545]

約数ペア:

[(1, 21962545), (5, 4392509), (11, 1996595), (55, 399319), (197, 111485), (985, 22297), (2027, 10835), (2167, 10135)]