14721021

素因数分解:

$3^4\times 7^2\times {\mathrm{3709}}^1$

素因数の和:3735

約数の個数: 30

約数和(自身を含む): 25587870

約数和(自身を除く): 10866849

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3709, 3969, 11127, 25963, 33381, 77889, 100143, 181741, 233667, 300429, 545223, 701001, 1635669, 2103003, 4907007, 14721021]

約数ペア:

[(1, 14721021), (3, 4907007), (7, 2103003), (9, 1635669), (21, 701001), (27, 545223), (49, 300429), (63, 233667), (81, 181741), (147, 100143), (189, 77889), (441, 33381), (567, 25963), (1323, 11127), (3709, 3969)]