21542961

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{3491}}^1$

素因数の和:3533

約数の個数: 24

約数和(自身を含む): 33439392

約数和(自身を除く): 11896431

約数列:

[1, 3, 11, 17, 33, 51, 121, 187, 363, 561, 2057, 3491, 6171, 10473, 38401, 59347, 115203, 178041, 422411, 652817, 1267233, 1958451, 7180987, 21542961]

約数ペア:

[(1, 21542961), (3, 7180987), (11, 1958451), (17, 1267233), (33, 652817), (51, 422411), (121, 178041), (187, 115203), (363, 59347), (561, 38401), (2057, 10473), (3491, 6171)]