21704287

素因数分解:

${\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1\times {\mathrm{179}}^1$

素因数の和:414

約数の個数: 16

約数和(自身を含む): 24295680

約数和(自身を除く): 2591393

約数列:

[1, 11, 73, 151, 179, 803, 1661, 1969, 11023, 13067, 27029, 121253, 143737, 297319, 1973117, 21704287]

約数ペア:

[(1, 21704287), (11, 1973117), (73, 297319), (151, 143737), (179, 121253), (803, 27029), (1661, 13067), (1969, 11023)]