21912583

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{12373}}^1$

素因数の和:12414

約数の個数: 16

約数和(自身を含む): 28509696

約数和(自身を除く): 6597113

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 12373, 86611, 136103, 284579, 952721, 1992053, 3130369, 21912583]

約数ペア:

[(1, 21912583), (7, 3130369), (11, 1992053), (23, 952721), (77, 284579), (161, 136103), (253, 86611), (1771, 12373)]