21136491

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{46049}}^1$

素因数の和:46075

約数の個数: 16

約数和(自身を含む): 33156000

約数和(自身を除く): 12019509

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 46049, 138147, 414441, 782833, 1243323, 2348499, 7045497, 21136491]

約数ペア:

[(1, 21136491), (3, 7045497), (9, 2348499), (17, 1243323), (27, 782833), (51, 414441), (153, 138147), (459, 46049)]