21043755

素因数分解:

$3^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{2423}}^1$

素因数の和:2627

約数の個数: 24

約数和(自身を含む): 36679968

約数和(自身を除く): 15636213

約数列:

[1, 3, 5, 9, 15, 45, 193, 579, 965, 1737, 2423, 2895, 7269, 8685, 12115, 21807, 36345, 109035, 467639, 1402917, 2338195, 4208751, 7014585, 21043755]

約数ペア:

[(1, 21043755), (3, 7014585), (5, 4208751), (9, 2338195), (15, 1402917), (45, 467639), (193, 109035), (579, 36345), (965, 21807), (1737, 12115), (2423, 8685), (2895, 7269)]