21348272

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{11027}}^1$

素因数の和:11057

約数の個数: 30

約数和(自身を含む): 45468444

約数和(自身を除く): 24120172

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 242, 484, 968, 1936, 11027, 22054, 44108, 88216, 121297, 176432, 242594, 485188, 970376, 1334267, 1940752, 2668534, 5337068, 10674136, 21348272]

約数ペア:

[(1, 21348272), (2, 10674136), (4, 5337068), (8, 2668534), (11, 1940752), (16, 1334267), (22, 970376), (44, 485188), (88, 242594), (121, 176432), (176, 121297), (242, 88216), (484, 44108), (968, 22054), (1936, 11027)]