21000736389555

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{587}}^1\times {\mathrm{87491}}^1$

素因数の和:88338

約数の個数: 128

約数和(自身を含む): 40448349527040

約数和(自身を除く): 19447613137485

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 233, 351, 585, 587, 699, 1165, 1755, 1761, 2097, 2935, 3029, 3495, 5283, 6291, 7631, 8805, 9087, 10485, 15145, 15849, 22893, 26415, 27261, 31455, 38155, 45435, 68679, 79245, 81783, 87491, 114465, 136305, 136771, 206037, 262473, 343395, 408915, 410313, 437455, 683855, 787419, 1030185, 1137383, 1230939, 1312365, 1778023, 2051565, 2362257, 3412149, 3692817, 3937095, 5334069, 5686915, 6154695, 8890115, 10236447, 11811285, 16002207, 17060745, 18464085, 20385403, 26670345, 30709341, 48006621, 51182235, 51357217, 61156209, 80011035, 101927015, 153546705, 154071651, 183468627, 240033105, 256786085, 265010239, 305781045, 462214953, 550405881, 667643821, 770358255, 795030717, 917343135, 1325051195, 1386644859, 2002931463, 2311074765, 2385092151, 2752029405, 3338219105, 3975153585, 6008794389, 6933224295, 7155276453, 10014657315, 11925460755, 11966231561, 18026383167, 30043971945, 35776382265, 35898694683, 59831157805, 90131915835, 107696084049, 155561010293, 179493473415, 323088252147, 466683030879, 538480420245, 777805051465, 1400049092637, 1615441260735, 2333415154395, 4200147277911, 7000245463185, 21000736389555]

約数ペア:

[(1, 21000736389555), (3, 7000245463185), (5, 4200147277911), (9, 2333415154395), (13, 1615441260735), (15, 1400049092637), (27, 777805051465), (39, 538480420245), (45, 466683030879), (65, 323088252147), (117, 179493473415), (135, 155561010293), (195, 107696084049), (233, 90131915835), (351, 59831157805), (585, 35898694683), (587, 35776382265), (699, 30043971945), (1165, 18026383167), (1755, 11966231561), (1761, 11925460755), (2097, 10014657315), (2935, 7155276453), (3029, 6933224295), (3495, 6008794389), (5283, 3975153585), (6291, 3338219105), (7631, 2752029405), (8805, 2385092151), (9087, 2311074765), (10485, 2002931463), (15145, 1386644859), (15849, 1325051195), (22893, 917343135), (26415, 795030717), (27261, 770358255), (31455, 667643821), (38155, 550405881), (45435, 462214953), (68679, 305781045), (79245, 265010239), (81783, 256786085), (87491, 240033105), (114465, 183468627), (136305, 154071651), (136771, 153546705), (206037, 101927015), (262473, 80011035), (343395, 61156209), (408915, 51357217), (410313, 51182235), (437455, 48006621), (683855, 30709341), (787419, 26670345), (1030185, 20385403), (1137383, 18464085), (1230939, 17060745), (1312365, 16002207), (1778023, 11811285), (2051565, 10236447), (2362257, 8890115), (3412149, 6154695), (3692817, 5686915), (3937095, 5334069)]