21507552

素因数分解:

$2^5\times 3^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:134

約数の個数: 192

約数和(自身を含む): 71608320

約数和(自身を除く): 50100768

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 31, 32, 33, 36, 44, 48, 54, 62, 66, 72, 73, 88, 93, 96, 99, 108, 124, 132, 144, 146, 176, 186, 198, 216, 219, 248, 264, 279, 288, 292, 297, 341, 352, 372, 396, 432, 438, 496, 528, 558, 584, 594, 657, 682, 744, 792, 803, 837, 864, 876, 992, 1023, 1056, 1116, 1168, 1188, 1314, 1364, 1488, 1584, 1606, 1674, 1752, 1971, 2046, 2232, 2263, 2336, 2376, 2409, 2628, 2728, 2976, 3069, 3168, 3212, 3348, 3504, 3942, 4092, 4464, 4526, 4752, 4818, 5256, 5456, 6138, 6424, 6696, 6789, 7008, 7227, 7884, 8184, 8928, 9052, 9207, 9504, 9636, 10512, 10912, 12276, 12848, 13392, 13578, 14454, 15768, 16368, 18104, 18414, 19272, 20367, 21024, 21681, 24552, 24893, 25696, 26784, 27156, 28908, 31536, 32736, 36208, 36828, 38544, 40734, 43362, 49104, 49786, 54312, 57816, 61101, 63072, 72416, 73656, 74679, 77088, 81468, 86724, 98208, 99572, 108624, 115632, 122202, 147312, 149358, 162936, 173448, 199144, 217248, 224037, 231264, 244404, 294624, 298716, 325872, 346896, 398288, 448074, 488808, 597432, 651744, 672111, 693792, 796576, 896148, 977616, 1194864, 1344222, 1792296, 1955232, 2389728, 2688444, 3584592, 5376888, 7169184, 10753776, 21507552]

約数ペア:

[(1, 21507552), (2, 10753776), (3, 7169184), (4, 5376888), (6, 3584592), (8, 2688444), (9, 2389728), (11, 1955232), (12, 1792296), (16, 1344222), (18, 1194864), (22, 977616), (24, 896148), (27, 796576), (31, 693792), (32, 672111), (33, 651744), (36, 597432), (44, 488808), (48, 448074), (54, 398288), (62, 346896), (66, 325872), (72, 298716), (73, 294624), (88, 244404), (93, 231264), (96, 224037), (99, 217248), (108, 199144), (124, 173448), (132, 162936), (144, 149358), (146, 147312), (176, 122202), (186, 115632), (198, 108624), (216, 99572), (219, 98208), (248, 86724), (264, 81468), (279, 77088), (288, 74679), (292, 73656), (297, 72416), (341, 63072), (352, 61101), (372, 57816), (396, 54312), (432, 49786), (438, 49104), (496, 43362), (528, 40734), (558, 38544), (584, 36828), (594, 36208), (657, 32736), (682, 31536), (744, 28908), (792, 27156), (803, 26784), (837, 25696), (864, 24893), (876, 24552), (992, 21681), (1023, 21024), (1056, 20367), (1116, 19272), (1168, 18414), (1188, 18104), (1314, 16368), (1364, 15768), (1488, 14454), (1584, 13578), (1606, 13392), (1674, 12848), (1752, 12276), (1971, 10912), (2046, 10512), (2232, 9636), (2263, 9504), (2336, 9207), (2376, 9052), (2409, 8928), (2628, 8184), (2728, 7884), (2976, 7227), (3069, 7008), (3168, 6789), (3212, 6696), (3348, 6424), (3504, 6138), (3942, 5456), (4092, 5256), (4464, 4818), (4526, 4752)]