21237993

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{14657}}^1$

素因数の和:14693

約数の個数: 24

約数和(自身を含む): 36586368

約数和(自身を除く): 15348375

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 14657, 43971, 102599, 131913, 307797, 337111, 923391, 1011333, 2359777, 3033999, 7079331, 21237993]

約数ペア:

[(1, 21237993), (3, 7079331), (7, 3033999), (9, 2359777), (21, 1011333), (23, 923391), (63, 337111), (69, 307797), (161, 131913), (207, 102599), (483, 43971), (1449, 14657)]