21129124792

素因数分解:

$2^3\times {\mathrm{107}}^1\times {\mathrm{24683557}}^1$

素因数の和:24683670

約数の個数: 16

約数和(自身を含む): 39987363960

約数和(自身を除く): 18858239168

約数列:

[1, 2, 4, 8, 107, 214, 428, 856, 24683557, 49367114, 98734228, 197468456, 2641140599, 5282281198, 10564562396, 21129124792]

約数ペア:

[(1, 21129124792), (2, 10564562396), (4, 5282281198), (8, 2641140599), (107, 197468456), (214, 98734228), (428, 49367114), (856, 24683557)]