21660067

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{907}}^1$

素因数の和:1098

約数の個数: 16

約数和(自身を含む): 25627392

約数和(自身を除く): 3967325

約数列:

[1, 11, 13, 143, 167, 907, 1837, 2171, 9977, 11791, 23881, 129701, 151469, 1666159, 1969097, 21660067]

約数ペア:

[(1, 21660067), (11, 1969097), (13, 1666159), (143, 151469), (167, 129701), (907, 23881), (1837, 11791), (2171, 9977)]