2021145555

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1289}}^1$

素因数の和:1381

約数の個数: 128

約数和(自身を含む): 4119413760

約数和(自身を除く): 2098268205

約数列:

[1, 3, 5, 11, 13, 15, 17, 33, 39, 43, 51, 55, 65, 85, 129, 143, 165, 187, 195, 215, 221, 255, 429, 473, 559, 561, 645, 663, 715, 731, 935, 1105, 1289, 1419, 1677, 2145, 2193, 2365, 2431, 2795, 2805, 3315, 3655, 3867, 6149, 6445, 7095, 7293, 8041, 8385, 9503, 10965, 12155, 14179, 16757, 18447, 19335, 21913, 24123, 28509, 30745, 36465, 40205, 42537, 47515, 50271, 55427, 65739, 70895, 83785, 92235, 104533, 109565, 120615, 142545, 166281, 184327, 212685, 241043, 251355, 277135, 284869, 313599, 328695, 522665, 552981, 609697, 720551, 723129, 831405, 854607, 921635, 942259, 1205215, 1424345, 1567995, 1829091, 2161653, 2764905, 2826777, 3048485, 3133559, 3602755, 3615645, 4273035, 4711295, 7926061, 9145455, 9400677, 10364849, 10808265, 12249367, 14133885, 15667795, 23778183, 31094547, 36748101, 39630305, 47003385, 51824245, 61246835, 118890915, 134743037, 155472735, 183740505, 404229111, 673715185, 2021145555]

約数ペア:

[(1, 2021145555), (3, 673715185), (5, 404229111), (11, 183740505), (13, 155472735), (15, 134743037), (17, 118890915), (33, 61246835), (39, 51824245), (43, 47003385), (51, 39630305), (55, 36748101), (65, 31094547), (85, 23778183), (129, 15667795), (143, 14133885), (165, 12249367), (187, 10808265), (195, 10364849), (215, 9400677), (221, 9145455), (255, 7926061), (429, 4711295), (473, 4273035), (559, 3615645), (561, 3602755), (645, 3133559), (663, 3048485), (715, 2826777), (731, 2764905), (935, 2161653), (1105, 1829091), (1289, 1567995), (1419, 1424345), (1677, 1205215), (2145, 942259), (2193, 921635), (2365, 854607), (2431, 831405), (2795, 723129), (2805, 720551), (3315, 609697), (3655, 552981), (3867, 522665), (6149, 328695), (6445, 313599), (7095, 284869), (7293, 277135), (8041, 251355), (8385, 241043), (9503, 212685), (10965, 184327), (12155, 166281), (14179, 142545), (16757, 120615), (18447, 109565), (19335, 104533), (21913, 92235), (24123, 83785), (28509, 70895), (30745, 65739), (36465, 55427), (40205, 50271), (42537, 47515)]