21289023

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{9133}}^1$

素因数の和:9183

約数の個数: 24

約数和(自身を含む): 36097568

約数和(自身を除く): 14808545

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 9133, 27399, 63931, 82197, 191793, 337921, 575379, 1013763, 2365447, 3041289, 7096341, 21289023]

約数ペア:

[(1, 21289023), (3, 7096341), (7, 3041289), (9, 2365447), (21, 1013763), (37, 575379), (63, 337921), (111, 191793), (259, 82197), (333, 63931), (777, 27399), (2331, 9133)]