21617398

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{26557}}^1$

素因数の和:26607

約数の個数: 16

約数和(自身を含む): 36331344

約数和(自身を除く): 14713946

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 26557, 53114, 292127, 584254, 982609, 1965218, 10808699, 21617398]

約数ペア:

[(1, 21617398), (2, 10808699), (11, 1965218), (22, 982609), (37, 584254), (74, 292127), (407, 53114), (814, 26557)]