21941414

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{1277}}^1$

素因数の和:1372

約数の個数: 24

約数和(自身を含む): 36714384

約数和(自身を除く): 14772970

約数列:

[1, 2, 11, 22, 71, 121, 142, 242, 781, 1277, 1562, 2554, 8591, 14047, 17182, 28094, 90667, 154517, 181334, 309034, 997337, 1994674, 10970707, 21941414]

約数ペア:

[(1, 21941414), (2, 10970707), (11, 1994674), (22, 997337), (71, 309034), (121, 181334), (142, 154517), (242, 90667), (781, 28094), (1277, 17182), (1562, 14047), (2554, 8591)]