21168532

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{68729}}^1$

素因数の和:68751

約数の個数: 24

約数和(自身を含む): 46186560

約数和(自身を除く): 25018028

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 68729, 137458, 274916, 481103, 756019, 962206, 1512038, 1924412, 3024076, 5292133, 10584266, 21168532]

約数ペア:

[(1, 21168532), (2, 10584266), (4, 5292133), (7, 3024076), (11, 1924412), (14, 1512038), (22, 962206), (28, 756019), (44, 481103), (77, 274916), (154, 137458), (308, 68729)]