21766681

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{401}}^1$

素因数の和:552

約数の個数: 16

約数和(自身を含む): 24081408

約数和(自身を除く): 2314727

約数列:

[1, 17, 31, 103, 401, 527, 1751, 3193, 6817, 12431, 41303, 54281, 211327, 702151, 1280393, 21766681]

約数ペア:

[(1, 21766681), (17, 1280393), (31, 702151), (103, 211327), (401, 54281), (527, 41303), (1751, 12431), (3193, 6817)]