21832855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{5591}}^1$

素因数の和:5678

約数の個数: 16

約数和(自身を含む): 28988928

約数和(自身を除く): 7156073

約数列:

[1, 5, 11, 55, 71, 355, 781, 3905, 5591, 27955, 61501, 307505, 396961, 1984805, 4366571, 21832855]

約数ペア:

[(1, 21832855), (5, 4366571), (11, 1984805), (55, 396961), (71, 307505), (355, 61501), (781, 27955), (3905, 5591)]