21577611

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{28429}}^1$

素因数の和:28466

約数の個数: 16

約数和(自身を含む): 32751360

約数和(自身を除く): 11173749

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 28429, 85287, 312719, 653867, 938157, 1961601, 7192537, 21577611]

約数ペア:

[(1, 21577611), (3, 7192537), (11, 1961601), (23, 938157), (33, 653867), (69, 312719), (253, 85287), (759, 28429)]