21151273

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{701}}^1$

素因数の和:936

約数の個数: 16

約数和(自身を含む): 25002432

約数和(自身を除く): 3851159

約数列:

[1, 11, 13, 143, 211, 701, 2321, 2743, 7711, 9113, 30173, 100243, 147911, 1627021, 1922843, 21151273]

約数ペア:

[(1, 21151273), (11, 1922843), (13, 1627021), (143, 147911), (211, 100243), (701, 30173), (2321, 9113), (2743, 7711)]