12421808

素因数分解:

$2^4\times 7^1\times {\mathrm{110909}}^1$

素因数の和:110924

約数の個数: 20

約数和(自身を含む): 27505680

約数和(自身を除く): 15083872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 110909, 221818, 443636, 776363, 887272, 1552726, 1774544, 3105452, 6210904, 12421808]

約数ペア:

[(1, 12421808), (2, 6210904), (4, 3105452), (7, 1774544), (8, 1552726), (14, 887272), (16, 776363), (28, 443636), (56, 221818), (112, 110909)]