21324919

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{1481}}^1$

素因数の和:1527

約数の個数: 24

約数和(自身を含む): 28383264

約数和(自身を除く): 7058345

約数列:

[1, 7, 11, 17, 77, 119, 121, 187, 847, 1309, 1481, 2057, 10367, 14399, 16291, 25177, 114037, 176239, 179201, 276947, 1254407, 1938629, 3046417, 21324919]

約数ペア:

[(1, 21324919), (7, 3046417), (11, 1938629), (17, 1254407), (77, 276947), (119, 179201), (121, 176239), (187, 114037), (847, 25177), (1309, 16291), (1481, 14399), (2057, 10367)]