21988736

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:152

約数の個数: 128

約数和(自身を含む): 57576960

約数和(自身を除く): 35588224

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 23, 28, 32, 44, 46, 56, 64, 77, 88, 92, 97, 112, 128, 154, 161, 176, 184, 194, 224, 253, 308, 322, 352, 368, 388, 448, 506, 616, 644, 679, 704, 736, 776, 896, 1012, 1067, 1232, 1288, 1358, 1408, 1472, 1552, 1771, 2024, 2134, 2231, 2464, 2576, 2716, 2944, 3104, 3542, 4048, 4268, 4462, 4928, 5152, 5432, 6208, 7084, 7469, 8096, 8536, 8924, 9856, 10304, 10864, 12416, 14168, 14938, 15617, 16192, 17072, 17848, 20608, 21728, 24541, 28336, 29876, 31234, 32384, 34144, 35696, 43456, 49082, 56672, 59752, 62468, 68288, 71392, 86912, 98164, 113344, 119504, 124936, 136576, 142784, 171787, 196328, 226688, 239008, 249872, 285568, 343574, 392656, 478016, 499744, 687148, 785312, 956032, 999488, 1374296, 1570624, 1998976, 2748592, 3141248, 5497184, 10994368, 21988736]

約数ペア:

[(1, 21988736), (2, 10994368), (4, 5497184), (7, 3141248), (8, 2748592), (11, 1998976), (14, 1570624), (16, 1374296), (22, 999488), (23, 956032), (28, 785312), (32, 687148), (44, 499744), (46, 478016), (56, 392656), (64, 343574), (77, 285568), (88, 249872), (92, 239008), (97, 226688), (112, 196328), (128, 171787), (154, 142784), (161, 136576), (176, 124936), (184, 119504), (194, 113344), (224, 98164), (253, 86912), (308, 71392), (322, 68288), (352, 62468), (368, 59752), (388, 56672), (448, 49082), (506, 43456), (616, 35696), (644, 34144), (679, 32384), (704, 31234), (736, 29876), (776, 28336), (896, 24541), (1012, 21728), (1067, 20608), (1232, 17848), (1288, 17072), (1358, 16192), (1408, 15617), (1472, 14938), (1552, 14168), (1771, 12416), (2024, 10864), (2134, 10304), (2231, 9856), (2464, 8924), (2576, 8536), (2716, 8096), (2944, 7469), (3104, 7084), (3542, 6208), (4048, 5432), (4268, 5152), (4462, 4928)]