21826575

素因数分解:

$3^2\times 5^2\times {\mathrm{97007}}^1$

素因数の和:97023

約数の個数: 18

約数和(自身を含む): 39094224

約数和(自身を除く): 17267649

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 97007, 291021, 485035, 873063, 1455105, 2425175, 4365315, 7275525, 21826575]

約数ペア:

[(1, 21826575), (3, 7275525), (5, 4365315), (9, 2425175), (15, 1455105), (25, 873063), (45, 485035), (75, 291021), (225, 97007)]