21088048

素因数分解:

$2^4\times {\mathrm{1318003}}^1$

素因数の和:1318011

約数の個数: 10

約数和(自身を含む): 40858124

約数和(自身を除く): 19770076

約数列:

[1, 2, 4, 8, 16, 1318003, 2636006, 5272012, 10544024, 21088048]

約数ペア:

[(1, 21088048), (2, 10544024), (4, 5272012), (8, 2636006), (16, 1318003)]