21619437

素因数分解:

$3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{2411}}^1$

素因数の和:2489

約数の個数: 24

約数和(自身を含む): 34096032

約数和(自身を除く): 12476595

約数列:

[1, 3, 7, 21, 49, 61, 147, 183, 427, 1281, 2411, 2989, 7233, 8967, 16877, 50631, 118139, 147071, 354417, 441213, 1029497, 3088491, 7206479, 21619437]

約数ペア:

[(1, 21619437), (3, 7206479), (7, 3088491), (21, 1029497), (49, 441213), (61, 354417), (147, 147071), (183, 118139), (427, 50631), (1281, 16877), (2411, 8967), (2989, 7233)]