21788589

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{3769}}^1$

素因数の和:3860

約数の個数: 16

約数和(自身を含む): 30401280

約数和(自身を除く): 8612691

約数列:

[1, 3, 41, 47, 123, 141, 1927, 3769, 5781, 11307, 154529, 177143, 463587, 531429, 7262863, 21788589]

約数ペア:

[(1, 21788589), (3, 7262863), (41, 531429), (47, 463587), (123, 177143), (141, 154529), (1927, 11307), (3769, 5781)]