21865536009

素因数分解:

$3^4\times {\mathrm{97}}^1\times {\mathrm{2782937}}^1$

素因数の和:2783046

約数の個数: 20

約数和(自身を含む): 33000078804

約数和(自身を除く): 11134542795

約数列:

[1, 3, 9, 27, 81, 97, 291, 873, 2619, 7857, 2782937, 8348811, 25046433, 75139299, 225417897, 269944889, 809834667, 2429504001, 7288512003, 21865536009]

約数ペア:

[(1, 21865536009), (3, 7288512003), (9, 2429504001), (27, 809834667), (81, 269944889), (97, 225417897), (291, 75139299), (873, 25046433), (2619, 8348811), (7857, 2782937)]