21809073

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1753}}^1$

素因数の和:1809

約数の個数: 32

約数和(自身を含む): 35360640

約数和(自身を除く): 13551567

約数列:

[1, 3, 11, 13, 29, 33, 39, 87, 143, 319, 377, 429, 957, 1131, 1753, 4147, 5259, 12441, 19283, 22789, 50837, 57849, 68367, 152511, 250679, 559207, 660881, 752037, 1677621, 1982643, 7269691, 21809073]

約数ペア:

[(1, 21809073), (3, 7269691), (11, 1982643), (13, 1677621), (29, 752037), (33, 660881), (39, 559207), (87, 250679), (143, 152511), (319, 68367), (377, 57849), (429, 50837), (957, 22789), (1131, 19283), (1753, 12441), (4147, 5259)]