21887406

素因数分解:

$2^1\times 3^2\times {\mathrm{863}}^1\times {\mathrm{1409}}^1$

素因数の和:2280

約数の個数: 24

約数和(自身を含む): 47511360

約数和(自身を除く): 25623954

約数列:

[1, 2, 3, 6, 9, 18, 863, 1409, 1726, 2589, 2818, 4227, 5178, 7767, 8454, 12681, 15534, 25362, 1215967, 2431934, 3647901, 7295802, 10943703, 21887406]

約数ペア:

[(1, 21887406), (2, 10943703), (3, 7295802), (6, 3647901), (9, 2431934), (18, 1215967), (863, 25362), (1409, 15534), (1726, 12681), (2589, 8454), (2818, 7767), (4227, 5178)]