21066507

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10133}}^1$

素因数の和:10160

約数の個数: 32

約数和(自身を含む): 38914560

約数和(自身を除く): 17848053

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 297, 693, 2079, 10133, 30399, 70931, 91197, 111463, 212793, 273591, 334389, 638379, 780241, 1003167, 1915137, 2340723, 3009501, 7022169, 21066507]

約数ペア:

[(1, 21066507), (3, 7022169), (7, 3009501), (9, 2340723), (11, 1915137), (21, 1003167), (27, 780241), (33, 638379), (63, 334389), (77, 273591), (99, 212793), (189, 111463), (231, 91197), (297, 70931), (693, 30399), (2079, 10133)]