21000306613

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{79943}}^1$

素因数の和:80145

約数の個数: 24

約数和(自身を含む): 25007762304

約数和(自身を除く): 4007455691

約数列:

[1, 11, 13, 121, 143, 167, 1573, 1837, 2171, 20207, 23881, 79943, 262691, 879373, 1039259, 9673103, 11431849, 13350481, 125750339, 146855291, 173556253, 1615408201, 1909118783, 21000306613]

約数ペア:

[(1, 21000306613), (11, 1909118783), (13, 1615408201), (121, 173556253), (143, 146855291), (167, 125750339), (1573, 13350481), (1837, 11431849), (2171, 9673103), (20207, 1039259), (23881, 879373), (79943, 262691)]