21928214

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{142391}}^1$

素因数の和:142411

約数の個数: 16

約数和(自身を含む): 41008896

約数和(自身を除く): 19080682

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 142391, 284782, 996737, 1566301, 1993474, 3132602, 10964107, 21928214]

約数ペア:

[(1, 21928214), (2, 10964107), (7, 3132602), (11, 1993474), (14, 1566301), (22, 996737), (77, 284782), (154, 142391)]