21728686

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{91297}}^1$

素因数の和:91323

約数の個数: 16

約数和(自身を含む): 39440736

約数和(自身を除く): 17712050

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 91297, 182594, 639079, 1278158, 1552049, 3104098, 10864343, 21728686]

約数ペア:

[(1, 21728686), (2, 10864343), (7, 3104098), (14, 1552049), (17, 1278158), (34, 639079), (119, 182594), (238, 91297)]