21345465

素因数分解:

$3^1\times 5^1\times {\mathrm{809}}^1\times {\mathrm{1759}}^1$

素因数の和:2576

約数の個数: 16

約数和(自身を含む): 34214400

約数和(自身を除く): 12868935

約数列:

[1, 3, 5, 15, 809, 1759, 2427, 4045, 5277, 8795, 12135, 26385, 1423031, 4269093, 7115155, 21345465]

約数ペア:

[(1, 21345465), (3, 7115155), (5, 4269093), (15, 1423031), (809, 26385), (1759, 12135), (2427, 8795), (4045, 5277)]