21035738052

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{258437}}^1$

素因数の和:258490

約数の個数: 144

約数和(自身を含む): 67731431040

約数和(自身を除く): 46695692988

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 19, 21, 28, 34, 36, 38, 42, 51, 57, 63, 68, 76, 84, 102, 114, 119, 126, 133, 153, 171, 204, 228, 238, 252, 266, 306, 323, 342, 357, 399, 476, 532, 612, 646, 684, 714, 798, 969, 1071, 1197, 1292, 1428, 1596, 1938, 2142, 2261, 2394, 2907, 3876, 4284, 4522, 4788, 5814, 6783, 9044, 11628, 13566, 20349, 27132, 40698, 81396, 258437, 516874, 775311, 1033748, 1550622, 1809059, 2325933, 3101244, 3618118, 4393429, 4651866, 4910303, 5427177, 7236236, 8786858, 9303732, 9820606, 10854354, 13180287, 14730909, 16281531, 17573716, 19641212, 21708708, 26360574, 29461818, 30754003, 32563062, 34372121, 39540861, 44192727, 52721148, 58923636, 61508006, 65126124, 68744242, 79081722, 83475151, 88385454, 92262009, 103116363, 123016012, 137488484, 158163444, 166950302, 176770908, 184524018, 206232726, 250425453, 276786027, 309349089, 333900604, 369048036, 412465452, 500850906, 553572054, 584326057, 618698178, 751276359, 1001701812, 1107144108, 1168652114, 1237396356, 1502552718, 1752978171, 2337304228, 3005105436, 3505956342, 5258934513, 7011912684, 10517869026, 21035738052]

約数ペア:

[(1, 21035738052), (2, 10517869026), (3, 7011912684), (4, 5258934513), (6, 3505956342), (7, 3005105436), (9, 2337304228), (12, 1752978171), (14, 1502552718), (17, 1237396356), (18, 1168652114), (19, 1107144108), (21, 1001701812), (28, 751276359), (34, 618698178), (36, 584326057), (38, 553572054), (42, 500850906), (51, 412465452), (57, 369048036), (63, 333900604), (68, 309349089), (76, 276786027), (84, 250425453), (102, 206232726), (114, 184524018), (119, 176770908), (126, 166950302), (133, 158163444), (153, 137488484), (171, 123016012), (204, 103116363), (228, 92262009), (238, 88385454), (252, 83475151), (266, 79081722), (306, 68744242), (323, 65126124), (342, 61508006), (357, 58923636), (399, 52721148), (476, 44192727), (532, 39540861), (612, 34372121), (646, 32563062), (684, 30754003), (714, 29461818), (798, 26360574), (969, 21708708), (1071, 19641212), (1197, 17573716), (1292, 16281531), (1428, 14730909), (1596, 13180287), (1938, 10854354), (2142, 9820606), (2261, 9303732), (2394, 8786858), (2907, 7236236), (3876, 5427177), (4284, 4910303), (4522, 4651866), (4788, 4393429), (5814, 3618118), (6783, 3101244), (9044, 2325933), (11628, 1809059), (13566, 1550622), (20349, 1033748), (27132, 775311), (40698, 516874), (81396, 258437)]