21729136

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9497}}^1$

素因数の和:9529

約数の個数: 40

約数和(自身を含む): 49465584

約数和(自身を除く): 27736448

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 9497, 18994, 37988, 75976, 104467, 123461, 151952, 208934, 246922, 417868, 493844, 835736, 987688, 1358071, 1671472, 1975376, 2716142, 5432284, 10864568, 21729136]

約数ペア:

[(1, 21729136), (2, 10864568), (4, 5432284), (8, 2716142), (11, 1975376), (13, 1671472), (16, 1358071), (22, 987688), (26, 835736), (44, 493844), (52, 417868), (88, 246922), (104, 208934), (143, 151952), (176, 123461), (208, 104467), (286, 75976), (572, 37988), (1144, 18994), (2288, 9497)]