21939456

素因数分解:

$2^8\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1$

素因数の和:97

約数の個数: 216

約数和(自身を含む): 75497184

約数和(自身を除く): 53557728

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 32, 33, 42, 44, 48, 49, 53, 56, 64, 66, 77, 84, 88, 96, 98, 106, 112, 128, 132, 147, 154, 159, 168, 176, 192, 196, 212, 224, 231, 256, 264, 294, 308, 318, 336, 352, 371, 384, 392, 424, 448, 462, 528, 539, 583, 588, 616, 636, 672, 704, 742, 768, 784, 848, 896, 924, 1056, 1078, 1113, 1166, 1176, 1232, 1272, 1344, 1408, 1484, 1568, 1617, 1696, 1749, 1792, 1848, 2112, 2156, 2226, 2332, 2352, 2464, 2544, 2597, 2688, 2816, 2968, 3136, 3234, 3392, 3498, 3696, 4081, 4224, 4312, 4452, 4664, 4704, 4928, 5088, 5194, 5376, 5936, 6272, 6468, 6784, 6996, 7392, 7791, 8162, 8448, 8624, 8904, 9328, 9408, 9856, 10176, 10388, 11872, 12243, 12544, 12936, 13568, 13992, 14784, 15582, 16324, 17248, 17808, 18656, 18816, 19712, 20352, 20776, 23744, 24486, 25872, 27984, 28567, 29568, 31164, 32648, 34496, 35616, 37312, 37632, 40704, 41552, 47488, 48972, 51744, 55968, 57134, 59136, 62328, 65296, 68992, 71232, 74624, 83104, 85701, 94976, 97944, 103488, 111936, 114268, 124656, 130592, 137984, 142464, 149248, 166208, 171402, 195888, 206976, 223872, 228536, 249312, 261184, 284928, 332416, 342804, 391776, 413952, 447744, 457072, 498624, 522368, 664832, 685608, 783552, 914144, 997248, 1044736, 1371216, 1567104, 1828288, 1994496, 2742432, 3134208, 3656576, 5484864, 7313152, 10969728, 21939456]

約数ペア:

[(1, 21939456), (2, 10969728), (3, 7313152), (4, 5484864), (6, 3656576), (7, 3134208), (8, 2742432), (11, 1994496), (12, 1828288), (14, 1567104), (16, 1371216), (21, 1044736), (22, 997248), (24, 914144), (28, 783552), (32, 685608), (33, 664832), (42, 522368), (44, 498624), (48, 457072), (49, 447744), (53, 413952), (56, 391776), (64, 342804), (66, 332416), (77, 284928), (84, 261184), (88, 249312), (96, 228536), (98, 223872), (106, 206976), (112, 195888), (128, 171402), (132, 166208), (147, 149248), (154, 142464), (159, 137984), (168, 130592), (176, 124656), (192, 114268), (196, 111936), (212, 103488), (224, 97944), (231, 94976), (256, 85701), (264, 83104), (294, 74624), (308, 71232), (318, 68992), (336, 65296), (352, 62328), (371, 59136), (384, 57134), (392, 55968), (424, 51744), (448, 48972), (462, 47488), (528, 41552), (539, 40704), (583, 37632), (588, 37312), (616, 35616), (636, 34496), (672, 32648), (704, 31164), (742, 29568), (768, 28567), (784, 27984), (848, 25872), (896, 24486), (924, 23744), (1056, 20776), (1078, 20352), (1113, 19712), (1166, 18816), (1176, 18656), (1232, 17808), (1272, 17248), (1344, 16324), (1408, 15582), (1484, 14784), (1568, 13992), (1617, 13568), (1696, 12936), (1749, 12544), (1792, 12243), (1848, 11872), (2112, 10388), (2156, 10176), (2226, 9856), (2332, 9408), (2352, 9328), (2464, 8904), (2544, 8624), (2597, 8448), (2688, 8162), (2816, 7791), (2968, 7392), (3136, 6996), (3234, 6784), (3392, 6468), (3498, 6272), (3696, 5936), (4081, 5376), (4224, 5194), (4312, 5088), (4452, 4928), (4664, 4704)]