21909894

素因数分解:

$2^1\times 3^1\times {\mathrm{443}}^1\times {\mathrm{8243}}^1$

素因数の和:8691

約数の個数: 16

約数和(自身を含む): 43924032

約数和(自身を除く): 22014138

約数列:

[1, 2, 3, 6, 443, 886, 1329, 2658, 8243, 16486, 24729, 49458, 3651649, 7303298, 10954947, 21909894]

約数ペア:

[(1, 21909894), (2, 10954947), (3, 7303298), (6, 3651649), (443, 49458), (886, 24729), (1329, 16486), (2658, 8243)]