21684209217

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{839}}^1\times {\mathrm{783191}}^1$

素因数の和:784044

約数の個数: 16

約数和(自身を含む): 31578301440

約数和(自身を除く): 9894092223

約数列:

[1, 3, 11, 33, 839, 2517, 9229, 27687, 783191, 2349573, 8615101, 25845303, 657097249, 1971291747, 7228069739, 21684209217]

約数ペア:

[(1, 21684209217), (3, 7228069739), (11, 1971291747), (33, 657097249), (839, 25845303), (2517, 8615101), (9229, 2349573), (27687, 783191)]