21508574712

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{5231}}^1$

素因数の和:5457

約数の個数: 128

約数和(自身を含む): 57861734400

約数和(自身を除く): 36353159688

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 71, 76, 114, 127, 142, 152, 213, 228, 254, 284, 381, 426, 456, 508, 568, 762, 852, 1016, 1349, 1524, 1704, 2413, 2698, 3048, 4047, 4826, 5231, 5396, 7239, 8094, 9017, 9652, 10462, 10792, 14478, 15693, 16188, 18034, 19304, 20924, 27051, 28956, 31386, 32376, 36068, 41848, 54102, 57912, 62772, 72136, 99389, 108204, 125544, 171323, 198778, 216408, 298167, 342646, 371401, 397556, 513969, 596334, 664337, 685292, 742802, 795112, 1027938, 1114203, 1192668, 1328674, 1370584, 1485604, 1993011, 2055876, 2228406, 2385336, 2657348, 2971208, 3986022, 4111752, 4456812, 5314696, 7056619, 7972044, 8913624, 12622403, 14113238, 15944088, 21169857, 25244806, 28226476, 37867209, 42339714, 47167927, 50489612, 56452952, 75734418, 84679428, 94335854, 100979224, 141503781, 151468836, 169358856, 188671708, 283007562, 302937672, 377343416, 566015124, 896190613, 1132030248, 1792381226, 2688571839, 3584762452, 5377143678, 7169524904, 10754287356, 21508574712]

約数ペア:

[(1, 21508574712), (2, 10754287356), (3, 7169524904), (4, 5377143678), (6, 3584762452), (8, 2688571839), (12, 1792381226), (19, 1132030248), (24, 896190613), (38, 566015124), (57, 377343416), (71, 302937672), (76, 283007562), (114, 188671708), (127, 169358856), (142, 151468836), (152, 141503781), (213, 100979224), (228, 94335854), (254, 84679428), (284, 75734418), (381, 56452952), (426, 50489612), (456, 47167927), (508, 42339714), (568, 37867209), (762, 28226476), (852, 25244806), (1016, 21169857), (1349, 15944088), (1524, 14113238), (1704, 12622403), (2413, 8913624), (2698, 7972044), (3048, 7056619), (4047, 5314696), (4826, 4456812), (5231, 4111752), (5396, 3986022), (7239, 2971208), (8094, 2657348), (9017, 2385336), (9652, 2228406), (10462, 2055876), (10792, 1993011), (14478, 1485604), (15693, 1370584), (16188, 1328674), (18034, 1192668), (19304, 1114203), (20924, 1027938), (27051, 795112), (28956, 742802), (31386, 685292), (32376, 664337), (36068, 596334), (41848, 513969), (54102, 397556), (57912, 371401), (62772, 342646), (72136, 298167), (99389, 216408), (108204, 198778), (125544, 171323)]