21067376

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{119701}}^1$

素因数の和:119720

約数の個数: 20

約数和(自身を含む): 44529144

約数和(自身を除く): 23461768

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 119701, 239402, 478804, 957608, 1316711, 1915216, 2633422, 5266844, 10533688, 21067376]

約数ペア:

[(1, 21067376), (2, 10533688), (4, 5266844), (8, 2633422), (11, 1915216), (16, 1316711), (22, 957608), (44, 478804), (88, 239402), (176, 119701)]