21609871808

素因数分解:

$2^6\times 7^2\times {\mathrm{1499}}^1\times {\mathrm{4597}}^1$

素因数の和:6122

約数の個数: 84

約数和(自身を含む): 49927383000

約数和(自身を除く): 28317511192

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1499, 1568, 2998, 3136, 4597, 5996, 9194, 10493, 11992, 18388, 20986, 23984, 32179, 36776, 41972, 47968, 64358, 73451, 73552, 83944, 95936, 128716, 146902, 147104, 167888, 225253, 257432, 293804, 294208, 335776, 450506, 514864, 587608, 671552, 901012, 1029728, 1175216, 1802024, 2059456, 2350432, 3604048, 4700864, 6890903, 7208096, 13781806, 14416192, 27563612, 48236321, 55127224, 96472642, 110254448, 192945284, 220508896, 337654247, 385890568, 441017792, 675308494, 771781136, 1350616988, 1543562272, 2701233976, 3087124544, 5402467952, 10804935904, 21609871808]

約数ペア:

[(1, 21609871808), (2, 10804935904), (4, 5402467952), (7, 3087124544), (8, 2701233976), (14, 1543562272), (16, 1350616988), (28, 771781136), (32, 675308494), (49, 441017792), (56, 385890568), (64, 337654247), (98, 220508896), (112, 192945284), (196, 110254448), (224, 96472642), (392, 55127224), (448, 48236321), (784, 27563612), (1499, 14416192), (1568, 13781806), (2998, 7208096), (3136, 6890903), (4597, 4700864), (5996, 3604048), (9194, 2350432), (10493, 2059456), (11992, 1802024), (18388, 1175216), (20986, 1029728), (23984, 901012), (32179, 671552), (36776, 587608), (41972, 514864), (47968, 450506), (64358, 335776), (73451, 294208), (73552, 293804), (83944, 257432), (95936, 225253), (128716, 167888), (146902, 147104)]