21223983

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{14957}}^1$

素因数の和:15014

約数の個数: 16

約数和(自身を含む): 31591296

約数和(自身を除く): 10367313

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 14957, 44871, 164527, 493581, 643151, 1929453, 7074661, 21223983]

約数ペア:

[(1, 21223983), (3, 7074661), (11, 1929453), (33, 643151), (43, 493581), (129, 164527), (473, 44871), (1419, 14957)]