21695791

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{773}}^1$

素因数の和:930

約数の個数: 16

約数和(自身を含む): 24966144

約数和(自身を除く): 3270353

約数列:

[1, 13, 17, 127, 221, 773, 1651, 2159, 10049, 13141, 28067, 98171, 170833, 1276223, 1668907, 21695791]

約数ペア:

[(1, 21695791), (13, 1668907), (17, 1276223), (127, 170833), (221, 98171), (773, 28067), (1651, 13141), (2159, 10049)]