21422079

素因数分解:

$3^2\times 7^1\times {\mathrm{337}}^1\times {\mathrm{1009}}^1$

素因数の和:1359

約数の個数: 24

約数和(自身を含む): 35503520

約数和(自身を除く): 14081441

約数列:

[1, 3, 7, 9, 21, 63, 337, 1009, 1011, 2359, 3027, 3033, 7063, 7077, 9081, 21189, 21231, 63567, 340033, 1020099, 2380231, 3060297, 7140693, 21422079]

約数ペア:

[(1, 21422079), (3, 7140693), (7, 3060297), (9, 2380231), (21, 1020099), (63, 340033), (337, 63567), (1009, 21231), (1011, 21189), (2359, 9081), (3027, 7077), (3033, 7063)]