21020220669

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{24413729}}^1$

素因数の和:24413780

約数の個数: 16

約数和(自身を含む): 32812053120

約数和(自身を除く): 11791832451

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 24413729, 73241187, 170896103, 512688309, 1000962889, 3002888667, 7006740223, 21020220669]

約数ペア:

[(1, 21020220669), (3, 7006740223), (7, 3002888667), (21, 1000962889), (41, 512688309), (123, 170896103), (287, 73241187), (861, 24413729)]