21909108

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{140443}}^1$

素因数の和:140463

約数の個数: 24

約数和(自身を含む): 55054048

約数和(自身を除く): 33144940

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 140443, 280886, 421329, 561772, 842658, 1685316, 1825759, 3651518, 5477277, 7303036, 10954554, 21909108]

約数ペア:

[(1, 21909108), (2, 10954554), (3, 7303036), (4, 5477277), (6, 3651518), (12, 1825759), (13, 1685316), (26, 842658), (39, 561772), (52, 421329), (78, 280886), (156, 140443)]