21339472

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17321}}^1$

素因数の和:17347

約数の個数: 40

約数和(自身を含む): 51550272

約数和(自身を除く): 30210800

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 17321, 34642, 69284, 121247, 138568, 190531, 242494, 277136, 381062, 484988, 762124, 969976, 1333717, 1524248, 1939952, 2667434, 3048496, 5334868, 10669736, 21339472]

約数ペア:

[(1, 21339472), (2, 10669736), (4, 5334868), (7, 3048496), (8, 2667434), (11, 1939952), (14, 1524248), (16, 1333717), (22, 969976), (28, 762124), (44, 484988), (56, 381062), (77, 277136), (88, 242494), (112, 190531), (154, 138568), (176, 121247), (308, 69284), (616, 34642), (1232, 17321)]