21056163516

素因数分解:

$2^2\times 3^4\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{21757}}^1$

素因数の和:21905

約数の個数: 120

約数和(自身を含む): 57498561120

約数和(自身を除く): 36442397604

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 29, 36, 54, 58, 81, 87, 103, 108, 116, 162, 174, 206, 261, 309, 324, 348, 412, 522, 618, 783, 927, 1044, 1236, 1566, 1854, 2349, 2781, 2987, 3132, 3708, 4698, 5562, 5974, 8343, 8961, 9396, 11124, 11948, 16686, 17922, 21757, 26883, 33372, 35844, 43514, 53766, 65271, 80649, 87028, 107532, 130542, 161298, 195813, 241947, 261084, 322596, 391626, 483894, 587439, 630953, 783252, 967788, 1174878, 1261906, 1762317, 1892859, 2240971, 2349756, 2523812, 3524634, 3785718, 4481942, 5678577, 6722913, 7049268, 7571436, 8963884, 11357154, 13445826, 17035731, 20168739, 22714308, 26891652, 34071462, 40337478, 51107193, 60506217, 64988159, 68142924, 80674956, 102214386, 121012434, 129976318, 181518651, 194964477, 204428772, 242024868, 259952636, 363037302, 389928954, 584893431, 726074604, 779857908, 1169786862, 1754680293, 2339573724, 3509360586, 5264040879, 7018721172, 10528081758, 21056163516]

約数ペア:

[(1, 21056163516), (2, 10528081758), (3, 7018721172), (4, 5264040879), (6, 3509360586), (9, 2339573724), (12, 1754680293), (18, 1169786862), (27, 779857908), (29, 726074604), (36, 584893431), (54, 389928954), (58, 363037302), (81, 259952636), (87, 242024868), (103, 204428772), (108, 194964477), (116, 181518651), (162, 129976318), (174, 121012434), (206, 102214386), (261, 80674956), (309, 68142924), (324, 64988159), (348, 60506217), (412, 51107193), (522, 40337478), (618, 34071462), (783, 26891652), (927, 22714308), (1044, 20168739), (1236, 17035731), (1566, 13445826), (1854, 11357154), (2349, 8963884), (2781, 7571436), (2987, 7049268), (3132, 6722913), (3708, 5678577), (4698, 4481942), (5562, 3785718), (5974, 3524634), (8343, 2523812), (8961, 2349756), (9396, 2240971), (11124, 1892859), (11948, 1762317), (16686, 1261906), (17922, 1174878), (21757, 967788), (26883, 783252), (33372, 630953), (35844, 587439), (43514, 483894), (53766, 391626), (65271, 322596), (80649, 261084), (87028, 241947), (107532, 195813), (130542, 161298)]