21736513

素因数分解:

${\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{241}}^1$

素因数の和:408

約数の個数: 16

約数和(自身を含む): 23696640

約数和(自身を除く): 1960127

約数列:

[1, 19, 47, 101, 241, 893, 1919, 4579, 4747, 11327, 24341, 90193, 215213, 462479, 1144027, 21736513]

約数ペア:

[(1, 21736513), (19, 1144027), (47, 462479), (101, 215213), (241, 90193), (893, 24341), (1919, 11327), (4579, 4747)]