21079233

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{9043}}^1$

素因数の和:9093

約数の個数: 24

約数和(自身を含む): 35741888

約数和(自身を除く): 14662655

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 9043, 27129, 63301, 81387, 189903, 334591, 569709, 1003773, 2342137, 3011319, 7026411, 21079233]

約数ペア:

[(1, 21079233), (3, 7026411), (7, 3011319), (9, 2342137), (21, 1003773), (37, 569709), (63, 334591), (111, 189903), (259, 81387), (333, 63301), (777, 27129), (2331, 9043)]