21216832

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3643}}^1$

素因数の和:3675

約数の個数: 56

約数和(自身を含む): 51832256

約数和(自身を除く): 30615424

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 182, 208, 224, 364, 416, 448, 728, 832, 1456, 2912, 3643, 5824, 7286, 14572, 25501, 29144, 47359, 51002, 58288, 94718, 102004, 116576, 189436, 204008, 233152, 331513, 378872, 408016, 663026, 757744, 816032, 1326052, 1515488, 1632064, 2652104, 3030976, 5304208, 10608416, 21216832]

約数ペア:

[(1, 21216832), (2, 10608416), (4, 5304208), (7, 3030976), (8, 2652104), (13, 1632064), (14, 1515488), (16, 1326052), (26, 816032), (28, 757744), (32, 663026), (52, 408016), (56, 378872), (64, 331513), (91, 233152), (104, 204008), (112, 189436), (182, 116576), (208, 102004), (224, 94718), (364, 58288), (416, 51002), (448, 47359), (728, 29144), (832, 25501), (1456, 14572), (2912, 7286), (3643, 5824)]