21703218

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{84121}}^1$

素因数の和:84169

約数の個数: 16

約数和(自身を含む): 44416416

約数和(自身を除く): 22713198

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 84121, 168242, 252363, 504726, 3617203, 7234406, 10851609, 21703218]

約数ペア:

[(1, 21703218), (2, 10851609), (3, 7234406), (6, 3617203), (43, 504726), (86, 252363), (129, 168242), (258, 84121)]