21887270

素因数分解:

$2^1\times 5^1\times {\mathrm{1123}}^1\times {\mathrm{1949}}^1$

素因数の和:3079

約数の個数: 16

約数和(自身を含む): 39452400

約数和(自身を除く): 17565130

約数列:

[1, 2, 5, 10, 1123, 1949, 2246, 3898, 5615, 9745, 11230, 19490, 2188727, 4377454, 10943635, 21887270]

約数ペア:

[(1, 21887270), (2, 10943635), (5, 4377454), (10, 2188727), (1123, 19490), (1949, 11230), (2246, 9745), (3898, 5615)]