21538066

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{13411}}^1$

素因数の和:13497

約数の個数: 16

約数和(自身を含む): 35729568

約数和(自身を除く): 14191502

約数列:

[1, 2, 11, 22, 73, 146, 803, 1606, 13411, 26822, 147521, 295042, 979003, 1958006, 10769033, 21538066]

約数ペア:

[(1, 21538066), (2, 10769033), (11, 1958006), (22, 979003), (73, 295042), (146, 147521), (803, 26822), (1606, 13411)]