21943376

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2153}}^1$

素因数の和:2188

約数の個数: 60

約数和(自身を含む): 53285652

約数和(自身を除く): 31342276

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 364, 392, 637, 728, 784, 1274, 1456, 2153, 2548, 4306, 5096, 8612, 10192, 15071, 17224, 27989, 30142, 34448, 55978, 60284, 105497, 111956, 120568, 195923, 210994, 223912, 241136, 391846, 421988, 447824, 783692, 843976, 1371461, 1567384, 1687952, 2742922, 3134768, 5485844, 10971688, 21943376]

約数ペア:

[(1, 21943376), (2, 10971688), (4, 5485844), (7, 3134768), (8, 2742922), (13, 1687952), (14, 1567384), (16, 1371461), (26, 843976), (28, 783692), (49, 447824), (52, 421988), (56, 391846), (91, 241136), (98, 223912), (104, 210994), (112, 195923), (182, 120568), (196, 111956), (208, 105497), (364, 60284), (392, 55978), (637, 34448), (728, 30142), (784, 27989), (1274, 17224), (1456, 15071), (2153, 10192), (2548, 8612), (4306, 5096)]