21352882

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{2389}}^1$

素因数の和:2541

約数の個数: 16

約数和(自身を含む): 33125400

約数和(自身を除く): 11772518

約数列:

[1, 2, 41, 82, 109, 218, 2389, 4469, 4778, 8938, 97949, 195898, 260401, 520802, 10676441, 21352882]

約数ペア:

[(1, 21352882), (2, 10676441), (41, 520802), (82, 260401), (109, 195898), (218, 97949), (2389, 8938), (4469, 4778)]