21679826

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{36013}}^1$

素因数の和:36065

約数の個数: 16

約数和(自身を含む): 38030784

約数和(自身を除く): 16350958

約数列:

[1, 2, 7, 14, 43, 86, 301, 602, 36013, 72026, 252091, 504182, 1548559, 3097118, 10839913, 21679826]

約数ペア:

[(1, 21679826), (2, 10839913), (7, 3097118), (14, 1548559), (43, 504182), (86, 252091), (301, 72026), (602, 36013)]