21806554

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{141601}}^1$

素因数の和:141621

約数の個数: 16

約数和(自身を含む): 40781376

約数和(自身を除く): 18974822

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 141601, 283202, 991207, 1557611, 1982414, 3115222, 10903277, 21806554]

約数ペア:

[(1, 21806554), (2, 10903277), (7, 3115222), (11, 1982414), (14, 1557611), (22, 991207), (77, 283202), (154, 141601)]