21928467

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{193}}^1\times {\mathrm{313}}^1$

素因数の和:531

約数の個数: 24

約数和(自身を含む): 32407312

約数和(自身を除く): 10478845

約数列:

[1, 3, 11, 33, 121, 193, 313, 363, 579, 939, 2123, 3443, 6369, 10329, 23353, 37873, 60409, 70059, 113619, 181227, 664499, 1993497, 7309489, 21928467]

約数ペア:

[(1, 21928467), (3, 7309489), (11, 1993497), (33, 664499), (121, 181227), (193, 113619), (313, 70059), (363, 60409), (579, 37873), (939, 23353), (2123, 10329), (3443, 6369)]