21086622

素因数分解:

$2^1\times 3^3\times {\mathrm{390493}}^1$

素因数の和:390504

約数の個数: 16

約数和(自身を含む): 46859280

約数和(自身を除く): 25772658

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 390493, 780986, 1171479, 2342958, 3514437, 7028874, 10543311, 21086622]

約数ペア:

[(1, 21086622), (2, 10543311), (3, 7028874), (6, 3514437), (9, 2342958), (18, 1171479), (27, 780986), (54, 390493)]