21244036

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{482819}}^1$

素因数の和:482834

約数の個数: 12

約数和(自身を含む): 40556880

約数和(自身を除く): 19312844

約数列:

[1, 2, 4, 11, 22, 44, 482819, 965638, 1931276, 5311009, 10622018, 21244036]

約数ペア:

[(1, 21244036), (2, 10622018), (4, 5311009), (11, 1931276), (22, 965638), (44, 482819)]