21183568

素因数分解:

$2^4\times 7^1\times {\mathrm{189139}}^1$

素因数の和:189154

約数の個数: 20

約数和(自身を含む): 46906720

約数和(自身を除く): 25723152

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 189139, 378278, 756556, 1323973, 1513112, 2647946, 3026224, 5295892, 10591784, 21183568]

約数ペア:

[(1, 21183568), (2, 10591784), (4, 5295892), (7, 3026224), (8, 2647946), (14, 1513112), (16, 1323973), (28, 756556), (56, 378278), (112, 189139)]