21789804942

素因数分解:

$2^1\times 3^2\times {\mathrm{1210544719}}^1$

素因数の和:1210544727

約数の個数: 12

約数和(自身を含む): 47211244080

約数和(自身を除く): 25421439138

約数列:

[1, 2, 3, 6, 9, 18, 1210544719, 2421089438, 3631634157, 7263268314, 10894902471, 21789804942]

約数ペア:

[(1, 21789804942), (2, 10894902471), (3, 7263268314), (6, 3631634157), (9, 2421089438), (18, 1210544719)]