21238156797

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{264739}}^1$

素因数の和:264794

約数の個数: 48

約数和(自身を含む): 35492103360

約数和(自身を除く): 14253946563

約数列:

[1, 3, 11, 13, 17, 33, 39, 51, 121, 143, 187, 221, 363, 429, 561, 663, 1573, 2057, 2431, 4719, 6171, 7293, 26741, 80223, 264739, 794217, 2912129, 3441607, 4500563, 8736387, 10324821, 13501689, 32033419, 37857677, 49506193, 58507319, 96100257, 113573031, 148518579, 175521957, 416434447, 544568123, 643580509, 1249303341, 1633704369, 1930741527, 7079385599, 21238156797]

約数ペア:

[(1, 21238156797), (3, 7079385599), (11, 1930741527), (13, 1633704369), (17, 1249303341), (33, 643580509), (39, 544568123), (51, 416434447), (121, 175521957), (143, 148518579), (187, 113573031), (221, 96100257), (363, 58507319), (429, 49506193), (561, 37857677), (663, 32033419), (1573, 13501689), (2057, 10324821), (2431, 8736387), (4719, 4500563), (6171, 3441607), (7293, 2912129), (26741, 794217), (80223, 264739)]