21570665

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{1753}}^1$

素因数の和:1888

約数の個数: 16

約数和(自身を含む): 27278208

約数和(自身を除く): 5707543

約数列:

[1, 5, 23, 107, 115, 535, 1753, 2461, 8765, 12305, 40319, 187571, 201595, 937855, 4314133, 21570665]

約数ペア:

[(1, 21570665), (5, 4314133), (23, 937855), (107, 201595), (115, 187571), (535, 40319), (1753, 12305), (2461, 8765)]