21691006

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1\times {\mathrm{811}}^1$

素因数の和:1167

約数の個数: 16

約数和(自身を含む): 33441408

約数和(自身を除く): 11750402

約数列:

[1, 2, 43, 86, 311, 622, 811, 1622, 13373, 26746, 34873, 69746, 252221, 504442, 10845503, 21691006]

約数ペア:

[(1, 21691006), (2, 10845503), (43, 504442), (86, 252221), (311, 69746), (622, 34873), (811, 26746), (1622, 13373)]