21603241

素因数分解:

${\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:420

約数の個数: 16

約数和(自身を含む): 24192000

約数和(自身を除く): 2588759

約数列:

[1, 11, 71, 139, 199, 781, 1529, 2189, 9869, 14129, 27661, 108559, 155419, 304271, 1963931, 21603241]

約数ペア:

[(1, 21603241), (11, 1963931), (71, 304271), (139, 155419), (199, 108559), (781, 27661), (1529, 14129), (2189, 9869)]