21616448

素因数分解:

$2^6\times 7^2\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:200

約数の個数: 84

約数和(自身を含む): 51165252

約数和(自身を除く): 29548804

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 61, 64, 98, 112, 113, 122, 196, 224, 226, 244, 392, 427, 448, 452, 488, 784, 791, 854, 904, 976, 1568, 1582, 1708, 1808, 1952, 2989, 3136, 3164, 3416, 3616, 3904, 5537, 5978, 6328, 6832, 6893, 7232, 11074, 11956, 12656, 13664, 13786, 22148, 23912, 25312, 27328, 27572, 44296, 47824, 48251, 50624, 55144, 88592, 95648, 96502, 110288, 177184, 191296, 193004, 220576, 337757, 354368, 386008, 441152, 675514, 772016, 1351028, 1544032, 2702056, 3088064, 5404112, 10808224, 21616448]

約数ペア:

[(1, 21616448), (2, 10808224), (4, 5404112), (7, 3088064), (8, 2702056), (14, 1544032), (16, 1351028), (28, 772016), (32, 675514), (49, 441152), (56, 386008), (61, 354368), (64, 337757), (98, 220576), (112, 193004), (113, 191296), (122, 177184), (196, 110288), (224, 96502), (226, 95648), (244, 88592), (392, 55144), (427, 50624), (448, 48251), (452, 47824), (488, 44296), (784, 27572), (791, 27328), (854, 25312), (904, 23912), (976, 22148), (1568, 13786), (1582, 13664), (1708, 12656), (1808, 11956), (1952, 11074), (2989, 7232), (3136, 6893), (3164, 6832), (3416, 6328), (3616, 5978), (3904, 5537)]