21016512

素因数分解:

$2^6\times 3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:167

約数の個数: 168

約数和(自身を含む): 68470272

約数和(自身を除く): 47453760

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 31, 32, 33, 36, 44, 48, 62, 64, 66, 72, 88, 93, 96, 99, 107, 124, 132, 144, 176, 186, 192, 198, 214, 248, 264, 279, 288, 321, 341, 352, 372, 396, 428, 496, 528, 558, 576, 642, 682, 704, 744, 792, 856, 963, 992, 1023, 1056, 1116, 1177, 1284, 1364, 1488, 1584, 1712, 1926, 1984, 2046, 2112, 2232, 2354, 2568, 2728, 2976, 3069, 3168, 3317, 3424, 3531, 3852, 4092, 4464, 4708, 5136, 5456, 5952, 6138, 6336, 6634, 6848, 7062, 7704, 8184, 8928, 9416, 9951, 10272, 10593, 10912, 12276, 13268, 14124, 15408, 16368, 17856, 18832, 19902, 20544, 21186, 21824, 24552, 26536, 28248, 29853, 30816, 32736, 36487, 37664, 39804, 42372, 49104, 53072, 56496, 59706, 61632, 65472, 72974, 75328, 79608, 84744, 98208, 106144, 109461, 112992, 119412, 145948, 159216, 169488, 196416, 212288, 218922, 225984, 238824, 291896, 318432, 328383, 338976, 437844, 477648, 583792, 636864, 656766, 677952, 875688, 955296, 1167584, 1313532, 1751376, 1910592, 2335168, 2627064, 3502752, 5254128, 7005504, 10508256, 21016512]

約数ペア:

[(1, 21016512), (2, 10508256), (3, 7005504), (4, 5254128), (6, 3502752), (8, 2627064), (9, 2335168), (11, 1910592), (12, 1751376), (16, 1313532), (18, 1167584), (22, 955296), (24, 875688), (31, 677952), (32, 656766), (33, 636864), (36, 583792), (44, 477648), (48, 437844), (62, 338976), (64, 328383), (66, 318432), (72, 291896), (88, 238824), (93, 225984), (96, 218922), (99, 212288), (107, 196416), (124, 169488), (132, 159216), (144, 145948), (176, 119412), (186, 112992), (192, 109461), (198, 106144), (214, 98208), (248, 84744), (264, 79608), (279, 75328), (288, 72974), (321, 65472), (341, 61632), (352, 59706), (372, 56496), (396, 53072), (428, 49104), (496, 42372), (528, 39804), (558, 37664), (576, 36487), (642, 32736), (682, 30816), (704, 29853), (744, 28248), (792, 26536), (856, 24552), (963, 21824), (992, 21186), (1023, 20544), (1056, 19902), (1116, 18832), (1177, 17856), (1284, 16368), (1364, 15408), (1488, 14124), (1584, 13268), (1712, 12276), (1926, 10912), (1984, 10593), (2046, 10272), (2112, 9951), (2232, 9416), (2354, 8928), (2568, 8184), (2728, 7704), (2976, 7062), (3069, 6848), (3168, 6634), (3317, 6336), (3424, 6138), (3531, 5952), (3852, 5456), (4092, 5136), (4464, 4708)]