21824785

素因数分解:

$5^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1\times {\mathrm{211}}^1$

素因数の和:504

約数の個数: 16

約数和(自身を含む): 26681472

約数和(自身を除く): 4856687

約数列:

[1, 5, 137, 151, 211, 685, 755, 1055, 20687, 28907, 31861, 103435, 144535, 159305, 4364957, 21824785]

約数ペア:

[(1, 21824785), (5, 4364957), (137, 159305), (151, 144535), (211, 103435), (685, 31861), (755, 28907), (1055, 20687)]