21167462656

素因数分解:

$2^8\times {\mathrm{31}}^2\times {\mathrm{139}}^1\times {\mathrm{619}}^1$

素因数の和:836

約数の個数: 108

約数和(自身を含む): 44044316400

約数和(自身を除く): 22876853744

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 139, 248, 256, 278, 496, 556, 619, 961, 992, 1112, 1238, 1922, 1984, 2224, 2476, 3844, 3968, 4309, 4448, 4952, 7688, 7936, 8618, 8896, 9904, 15376, 17236, 17792, 19189, 19808, 30752, 34472, 35584, 38378, 39616, 61504, 68944, 76756, 79232, 86041, 123008, 133579, 137888, 153512, 158464, 172082, 246016, 267158, 275776, 307024, 344164, 534316, 551552, 594859, 614048, 688328, 1068632, 1103104, 1189718, 1228096, 1376656, 2137264, 2379436, 2456192, 2667271, 2753312, 4274528, 4758872, 4912384, 5334542, 5506624, 8549056, 9517744, 10669084, 11013248, 17098112, 19035488, 21338168, 22026496, 34196224, 38070976, 42676336, 76141952, 82685401, 85352672, 152283904, 165370802, 170705344, 330741604, 341410688, 661483208, 682821376, 1322966416, 2645932832, 5291865664, 10583731328, 21167462656]

約数ペア:

[(1, 21167462656), (2, 10583731328), (4, 5291865664), (8, 2645932832), (16, 1322966416), (31, 682821376), (32, 661483208), (62, 341410688), (64, 330741604), (124, 170705344), (128, 165370802), (139, 152283904), (248, 85352672), (256, 82685401), (278, 76141952), (496, 42676336), (556, 38070976), (619, 34196224), (961, 22026496), (992, 21338168), (1112, 19035488), (1238, 17098112), (1922, 11013248), (1984, 10669084), (2224, 9517744), (2476, 8549056), (3844, 5506624), (3968, 5334542), (4309, 4912384), (4448, 4758872), (4952, 4274528), (7688, 2753312), (7936, 2667271), (8618, 2456192), (8896, 2379436), (9904, 2137264), (15376, 1376656), (17236, 1228096), (17792, 1189718), (19189, 1103104), (19808, 1068632), (30752, 688328), (34472, 614048), (35584, 594859), (38378, 551552), (39616, 534316), (61504, 344164), (68944, 307024), (76756, 275776), (79232, 267158), (86041, 246016), (123008, 172082), (133579, 158464), (137888, 153512)]