421587978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{10037809}}^1$

素因数の和:10037821

約数の個数: 16

約数和(自身を含む): 963629760

約数和(自身を除く): 542041782

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 10037809, 20075618, 30113427, 60226854, 70264663, 140529326, 210793989, 421587978]

約数ペア:

[(1, 421587978), (2, 210793989), (3, 140529326), (6, 70264663), (7, 60226854), (14, 30113427), (21, 20075618), (42, 10037809)]