21060369

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1069}}^1$

素因数の和:1285

約数の個数: 24

約数和(自身を含む): 33384000

約数和(自身を除く): 12323631

約数列:

[1, 3, 9, 11, 33, 99, 199, 597, 1069, 1791, 2189, 3207, 6567, 9621, 11759, 19701, 35277, 105831, 212731, 638193, 1914579, 2340041, 7020123, 21060369]

約数ペア:

[(1, 21060369), (3, 7020123), (9, 2340041), (11, 1914579), (33, 638193), (99, 212731), (199, 105831), (597, 35277), (1069, 19701), (1791, 11759), (2189, 9621), (3207, 6567)]