21847347

素因数分解:

$3^3\times {\mathrm{691}}^1\times {\mathrm{1171}}^1$

素因数の和:1871

約数の個数: 16

約数和(自身を含む): 32440960

約数和(自身を除く): 10593613

約数列:

[1, 3, 9, 27, 691, 1171, 2073, 3513, 6219, 10539, 18657, 31617, 809161, 2427483, 7282449, 21847347]

約数ペア:

[(1, 21847347), (3, 7282449), (9, 2427483), (27, 809161), (691, 31617), (1171, 18657), (2073, 10539), (3513, 6219)]