21566384

素因数分解:

$2^4\times 7^1\times {\mathrm{192557}}^1$

素因数の和:192572

約数の個数: 20

約数和(自身を含む): 47754384

約数和(自身を除く): 26188000

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 192557, 385114, 770228, 1347899, 1540456, 2695798, 3080912, 5391596, 10783192, 21566384]

約数ペア:

[(1, 21566384), (2, 10783192), (4, 5391596), (7, 3080912), (8, 2695798), (14, 1540456), (16, 1347899), (28, 770228), (56, 385114), (112, 192557)]