21986272

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8923}}^1$

素因数の和:8951

約数の個数: 48

約数和(自身を含む): 53972352

約数和(自身を除く): 31986080

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 88, 112, 154, 176, 224, 308, 352, 616, 1232, 2464, 8923, 17846, 35692, 62461, 71384, 98153, 124922, 142768, 196306, 249844, 285536, 392612, 499688, 687071, 785224, 999376, 1374142, 1570448, 1998752, 2748284, 3140896, 5496568, 10993136, 21986272]

約数ペア:

[(1, 21986272), (2, 10993136), (4, 5496568), (7, 3140896), (8, 2748284), (11, 1998752), (14, 1570448), (16, 1374142), (22, 999376), (28, 785224), (32, 687071), (44, 499688), (56, 392612), (77, 285536), (88, 249844), (112, 196306), (154, 142768), (176, 124922), (224, 98153), (308, 71384), (352, 62461), (616, 35692), (1232, 17846), (2464, 8923)]