2149704669

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5387731}}^1$

素因数の和:5387760

約数の個数: 16

約数和(自身を含む): 3448148480

約数和(自身を除く): 1298443811

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 5387731, 16163193, 37714117, 102366889, 113142351, 307100667, 716568223, 2149704669]

約数ペア:

[(1, 2149704669), (3, 716568223), (7, 307100667), (19, 113142351), (21, 102366889), (57, 37714117), (133, 16163193), (399, 5387731)]