21755426

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{141269}}^1$

素因数の和:141289

約数の個数: 16

約数和(自身を含む): 40685760

約数和(自身を除く): 18930334

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 141269, 282538, 988883, 1553959, 1977766, 3107918, 10877713, 21755426]

約数ペア:

[(1, 21755426), (2, 10877713), (7, 3107918), (11, 1977766), (14, 1553959), (22, 988883), (77, 282538), (154, 141269)]