21924351

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{5107}}^1$

素因数の和:5172

約数の個数: 20

約数和(自身を含む): 33375672

約数和(自身を除く): 11451321

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 5107, 15321, 45963, 137889, 270671, 413667, 812013, 2436039, 7308117, 21924351]

約数ペア:

[(1, 21924351), (3, 7308117), (9, 2436039), (27, 812013), (53, 413667), (81, 270671), (159, 137889), (477, 45963), (1431, 15321), (4293, 5107)]