21809124

素因数分解:

$2^2\times 3^2\times {\mathrm{605809}}^1$

素因数の和:605819

約数の個数: 18

約数和(自身を含む): 55128710

約数和(自身を除く): 33319586

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 605809, 1211618, 1817427, 2423236, 3634854, 5452281, 7269708, 10904562, 21809124]

約数ペア:

[(1, 21809124), (2, 10904562), (3, 7269708), (4, 5452281), (6, 3634854), (9, 2423236), (12, 1817427), (18, 1211618), (36, 605809)]