21786141

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29401}}^1$

素因数の和:29436

約数の個数: 16

約数和(自身を含む): 32930240

約数和(自身を除く): 11144099

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 29401, 88203, 382213, 558619, 1146639, 1675857, 7262047, 21786141]

約数ペア:

[(1, 21786141), (3, 7262047), (13, 1675857), (19, 1146639), (39, 558619), (57, 382213), (247, 88203), (741, 29401)]