21289873492

素因数分解:

$2^2\times {\mathrm{10909}}^1\times {\mathrm{487897}}^1$

素因数の和:498810

約数の個数: 12

約数和(自身を含む): 37260770260

約数和(自身を除く): 15970896768

約数列:

[1, 2, 4, 10909, 21818, 43636, 487897, 975794, 1951588, 5322468373, 10644936746, 21289873492]

約数ペア:

[(1, 21289873492), (2, 10644936746), (4, 5322468373), (10909, 1951588), (21818, 975794), (43636, 487897)]