17620121421

素因数分解:

$3^2\times 7^1\times {\mathrm{2423}}^1\times {\mathrm{115429}}^1$

素因数の和:117865

約数の個数: 24

約数和(自身を含む): 29099441280

約数和(自身を除く): 11479319859

約数列:

[1, 3, 7, 9, 21, 63, 2423, 7269, 16961, 21807, 50883, 115429, 152649, 346287, 808003, 1038861, 2424009, 7272027, 279684467, 839053401, 1957791269, 2517160203, 5873373807, 17620121421]

約数ペア:

[(1, 17620121421), (3, 5873373807), (7, 2517160203), (9, 1957791269), (21, 839053401), (63, 279684467), (2423, 7272027), (7269, 2424009), (16961, 1038861), (21807, 808003), (50883, 346287), (115429, 152649)]