21560231

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{14737}}^1$

素因数の和:14774

約数の個数: 16

約数和(自身を含む): 28296960

約数和(自身を除く): 6736729

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 14737, 103159, 162107, 280003, 1134749, 1960021, 3080033, 21560231]

約数ペア:

[(1, 21560231), (7, 3080033), (11, 1960021), (19, 1134749), (77, 280003), (133, 162107), (209, 103159), (1463, 14737)]