21856681

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{373}}^1\times {\mathrm{761}}^1$

素因数の和:1152

約数の個数: 16

約数和(自身を含む): 27358848

約数和(自身を除く): 5502167

約数列:

[1, 7, 11, 77, 373, 761, 2611, 4103, 5327, 8371, 28721, 58597, 283853, 1986971, 3122383, 21856681]

約数ペア:

[(1, 21856681), (7, 3122383), (11, 1986971), (77, 283853), (373, 58597), (761, 28721), (2611, 8371), (4103, 5327)]