21276288

素因数分解:

$2^7\times 3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:127

約数の個数: 192

約数和(自身を含む): 70649280

約数和(自身を除く): 49372992

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 23, 24, 32, 33, 36, 44, 46, 48, 64, 66, 69, 72, 73, 88, 92, 96, 99, 128, 132, 138, 144, 146, 176, 184, 192, 198, 207, 219, 253, 264, 276, 288, 292, 352, 368, 384, 396, 414, 438, 506, 528, 552, 576, 584, 657, 704, 736, 759, 792, 803, 828, 876, 1012, 1056, 1104, 1152, 1168, 1314, 1408, 1472, 1518, 1584, 1606, 1656, 1679, 1752, 2024, 2112, 2208, 2277, 2336, 2409, 2628, 2944, 3036, 3168, 3212, 3312, 3358, 3504, 4048, 4224, 4416, 4554, 4672, 4818, 5037, 5256, 6072, 6336, 6424, 6624, 6716, 7008, 7227, 8096, 8832, 9108, 9344, 9636, 10074, 10512, 12144, 12672, 12848, 13248, 13432, 14016, 14454, 15111, 16192, 18216, 18469, 19272, 20148, 21024, 24288, 25696, 26496, 26864, 28032, 28908, 30222, 32384, 36432, 36938, 38544, 40296, 42048, 48576, 51392, 53728, 55407, 57816, 60444, 72864, 73876, 77088, 80592, 84096, 97152, 102784, 107456, 110814, 115632, 120888, 145728, 147752, 154176, 161184, 166221, 214912, 221628, 231264, 241776, 291456, 295504, 308352, 322368, 332442, 443256, 462528, 483552, 591008, 644736, 664884, 886512, 925056, 967104, 1182016, 1329768, 1773024, 1934208, 2364032, 2659536, 3546048, 5319072, 7092096, 10638144, 21276288]

約数ペア:

[(1, 21276288), (2, 10638144), (3, 7092096), (4, 5319072), (6, 3546048), (8, 2659536), (9, 2364032), (11, 1934208), (12, 1773024), (16, 1329768), (18, 1182016), (22, 967104), (23, 925056), (24, 886512), (32, 664884), (33, 644736), (36, 591008), (44, 483552), (46, 462528), (48, 443256), (64, 332442), (66, 322368), (69, 308352), (72, 295504), (73, 291456), (88, 241776), (92, 231264), (96, 221628), (99, 214912), (128, 166221), (132, 161184), (138, 154176), (144, 147752), (146, 145728), (176, 120888), (184, 115632), (192, 110814), (198, 107456), (207, 102784), (219, 97152), (253, 84096), (264, 80592), (276, 77088), (288, 73876), (292, 72864), (352, 60444), (368, 57816), (384, 55407), (396, 53728), (414, 51392), (438, 48576), (506, 42048), (528, 40296), (552, 38544), (576, 36938), (584, 36432), (657, 32384), (704, 30222), (736, 28908), (759, 28032), (792, 26864), (803, 26496), (828, 25696), (876, 24288), (1012, 21024), (1056, 20148), (1104, 19272), (1152, 18469), (1168, 18216), (1314, 16192), (1408, 15111), (1472, 14454), (1518, 14016), (1584, 13432), (1606, 13248), (1656, 12848), (1679, 12672), (1752, 12144), (2024, 10512), (2112, 10074), (2208, 9636), (2277, 9344), (2336, 9108), (2409, 8832), (2628, 8096), (2944, 7227), (3036, 7008), (3168, 6716), (3212, 6624), (3312, 6424), (3358, 6336), (3504, 6072), (4048, 5256), (4224, 5037), (4416, 4818), (4554, 4672)]