21436205

素因数分解:

$5^1\times 7^1\times {\mathrm{607}}^1\times {\mathrm{1009}}^1$

素因数の和:1628

約数の個数: 16

約数和(自身を含む): 29475840

約数和(自身を除く): 8039635

約数列:

[1, 5, 7, 35, 607, 1009, 3035, 4249, 5045, 7063, 21245, 35315, 612463, 3062315, 4287241, 21436205]

約数ペア:

[(1, 21436205), (5, 4287241), (7, 3062315), (35, 612463), (607, 35315), (1009, 21245), (3035, 7063), (4249, 5045)]