21995024

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{33529}}^1$

素因数の和:33578

約数の個数: 20

約数和(自身を含む): 43656060

約数和(自身を除く): 21661036

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 33529, 67058, 134116, 268232, 536464, 1374689, 2749378, 5498756, 10997512, 21995024]

約数ペア:

[(1, 21995024), (2, 10997512), (4, 5498756), (8, 2749378), (16, 1374689), (41, 536464), (82, 268232), (164, 134116), (328, 67058), (656, 33529)]