21359021

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{743}}^1$

素因数の和:868

約数の個数: 16

約数和(自身を含む): 24105600

約数和(自身を除く): 2746579

約数列:

[1, 17, 19, 89, 323, 743, 1513, 1691, 12631, 14117, 28747, 66127, 239989, 1124159, 1256413, 21359021]

約数ペア:

[(1, 21359021), (17, 1256413), (19, 1124159), (89, 239989), (323, 66127), (743, 28747), (1513, 14117), (1691, 12631)]