21246719

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{757}}^1$

素因数の和:914

約数の個数: 16

約数和(自身を含む): 24450048

約数和(自身を除く): 3203329

約数列:

[1, 13, 17, 127, 221, 757, 1651, 2159, 9841, 12869, 28067, 96139, 167297, 1249807, 1634363, 21246719]

約数ペア:

[(1, 21246719), (13, 1634363), (17, 1249807), (127, 167297), (221, 96139), (757, 28067), (1651, 12869), (2159, 9841)]