21000700032

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{247463}}^1$

素因数の和:247510

約数の個数: 128

約数和(自身を含む): 63608146560

約数和(自身を除く): 42607446528

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 24, 26, 32, 34, 39, 48, 51, 52, 64, 68, 78, 96, 102, 104, 128, 136, 156, 192, 204, 208, 221, 272, 312, 384, 408, 416, 442, 544, 624, 663, 816, 832, 884, 1088, 1248, 1326, 1632, 1664, 1768, 2176, 2496, 2652, 3264, 3536, 4992, 5304, 6528, 7072, 10608, 14144, 21216, 28288, 42432, 84864, 247463, 494926, 742389, 989852, 1484778, 1979704, 2969556, 3217019, 3959408, 4206871, 5939112, 6434038, 7918816, 8413742, 9651057, 11878224, 12620613, 12868076, 15837632, 16827484, 19302114, 23756448, 25241226, 25736152, 31675264, 33654968, 38604228, 47512896, 50482452, 51472304, 54689323, 67309936, 77208456, 95025792, 100964904, 102944608, 109378646, 134619872, 154416912, 164067969, 201929808, 205889216, 218757292, 269239744, 308833824, 328135938, 403859616, 411778432, 437514584, 538479488, 617667648, 656271876, 807719232, 875029168, 1235335296, 1312543752, 1615438464, 1750058336, 2625087504, 3500116672, 5250175008, 7000233344, 10500350016, 21000700032]

約数ペア:

[(1, 21000700032), (2, 10500350016), (3, 7000233344), (4, 5250175008), (6, 3500116672), (8, 2625087504), (12, 1750058336), (13, 1615438464), (16, 1312543752), (17, 1235335296), (24, 875029168), (26, 807719232), (32, 656271876), (34, 617667648), (39, 538479488), (48, 437514584), (51, 411778432), (52, 403859616), (64, 328135938), (68, 308833824), (78, 269239744), (96, 218757292), (102, 205889216), (104, 201929808), (128, 164067969), (136, 154416912), (156, 134619872), (192, 109378646), (204, 102944608), (208, 100964904), (221, 95025792), (272, 77208456), (312, 67309936), (384, 54689323), (408, 51472304), (416, 50482452), (442, 47512896), (544, 38604228), (624, 33654968), (663, 31675264), (816, 25736152), (832, 25241226), (884, 23756448), (1088, 19302114), (1248, 16827484), (1326, 15837632), (1632, 12868076), (1664, 12620613), (1768, 11878224), (2176, 9651057), (2496, 8413742), (2652, 7918816), (3264, 6434038), (3536, 5939112), (4992, 4206871), (5304, 3959408), (6528, 3217019), (7072, 2969556), (10608, 1979704), (14144, 1484778), (21216, 989852), (28288, 742389), (42432, 494926), (84864, 247463)]