21011365968

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{4261}}^1\times {\mathrm{6043}}^1$

素因数の和:10332

約数の個数: 80

約数和(自身を含む): 57495266496

約数和(自身を除く): 36483900528

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 408, 816, 4261, 6043, 8522, 12086, 12783, 17044, 18129, 24172, 25566, 34088, 36258, 48344, 51132, 68176, 72437, 72516, 96688, 102264, 102731, 144874, 145032, 204528, 205462, 217311, 289748, 290064, 308193, 410924, 434622, 579496, 616386, 821848, 869244, 1158992, 1232772, 1643696, 1738488, 2465544, 3476976, 4931088, 25749223, 51498446, 77247669, 102996892, 154495338, 205993784, 308990676, 411987568, 437736791, 617981352, 875473582, 1235962704, 1313210373, 1750947164, 2626420746, 3501894328, 5252841492, 7003788656, 10505682984, 21011365968]

約数ペア:

[(1, 21011365968), (2, 10505682984), (3, 7003788656), (4, 5252841492), (6, 3501894328), (8, 2626420746), (12, 1750947164), (16, 1313210373), (17, 1235962704), (24, 875473582), (34, 617981352), (48, 437736791), (51, 411987568), (68, 308990676), (102, 205993784), (136, 154495338), (204, 102996892), (272, 77247669), (408, 51498446), (816, 25749223), (4261, 4931088), (6043, 3476976), (8522, 2465544), (12086, 1738488), (12783, 1643696), (17044, 1232772), (18129, 1158992), (24172, 869244), (25566, 821848), (34088, 616386), (36258, 579496), (48344, 434622), (51132, 410924), (68176, 308193), (72437, 290064), (72516, 289748), (96688, 217311), (102264, 205462), (102731, 204528), (144874, 145032)]