21000386

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{25799}}^1$

素因数の和:25849

約数の個数: 16

約数和(自身を含む): 35294400

約数和(自身を除く): 14294014

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 25799, 51598, 283789, 567578, 954563, 1909126, 10500193, 21000386]

約数ペア:

[(1, 21000386), (2, 10500193), (11, 1909126), (22, 954563), (37, 567578), (74, 283789), (407, 51598), (814, 25799)]