21527495

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{2857}}^1$

素因数の和:3010

約数の個数: 16

約数和(自身を含む): 28397088

約数和(自身を除く): 6869593

約数列:

[1, 5, 11, 55, 137, 685, 1507, 2857, 7535, 14285, 31427, 157135, 391409, 1957045, 4305499, 21527495]

約数ペア:

[(1, 21527495), (5, 4305499), (11, 1957045), (55, 391409), (137, 157135), (685, 31427), (1507, 14285), (2857, 7535)]