21664269

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{3709}}^1$

素因数の和:3785

約数の個数: 24

約数和(自身を含む): 34725600

約数和(自身を除く): 13061331

約数列:

[1, 3, 9, 11, 33, 59, 99, 177, 531, 649, 1947, 3709, 5841, 11127, 33381, 40799, 122397, 218831, 367191, 656493, 1969479, 2407141, 7221423, 21664269]

約数ペア:

[(1, 21664269), (3, 7221423), (9, 2407141), (11, 1969479), (33, 656493), (59, 367191), (99, 218831), (177, 122397), (531, 40799), (649, 33381), (1947, 11127), (3709, 5841)]