210866817

素因数分解:

$3^1\times 7^1\times {\mathrm{479}}^1\times {\mathrm{20963}}^1$

素因数の和:21452

約数の個数: 16

約数和(自身を含む): 322007040

約数和(自身を除く): 111140223

約数列:

[1, 3, 7, 21, 479, 1437, 3353, 10059, 20963, 62889, 146741, 440223, 10041277, 30123831, 70288939, 210866817]

約数ペア:

[(1, 210866817), (3, 70288939), (7, 30123831), (21, 10041277), (479, 440223), (1437, 146741), (3353, 62889), (10059, 20963)]