21550120007

素因数分解:

${\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{16477}}^1$

素因数の和:16683

約数の個数: 24

約数和(自身を含む): 23882554080

約数和(自身を除く): 2332434073

約数列:

[1, 13, 71, 109, 169, 923, 1417, 7739, 11999, 16477, 18421, 100607, 214201, 1169867, 1307891, 1795993, 2784613, 15208271, 23347909, 127515503, 197707523, 303522817, 1657701539, 21550120007]

約数ペア:

[(1, 21550120007), (13, 1657701539), (71, 303522817), (109, 197707523), (169, 127515503), (923, 23347909), (1417, 15208271), (7739, 2784613), (11999, 1795993), (16477, 1307891), (18421, 1169867), (100607, 214201)]