21031888657

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{619}}^1\times {\mathrm{153743}}^1$

素因数の和:154392

約数の個数: 16

約数和(自身を含む): 24020962560

約数和(自身を除く): 2989073903

約数列:

[1, 13, 17, 221, 619, 8047, 10523, 136799, 153743, 1998659, 2613631, 33977203, 95166917, 1237169921, 1617837589, 21031888657]

約数ペア:

[(1, 21031888657), (13, 1617837589), (17, 1237169921), (221, 95166917), (619, 33977203), (8047, 2613631), (10523, 1998659), (136799, 153743)]