21496005

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{9013}}^1$

素因数の和:9077

約数の個数: 24

約数和(自身を含む): 37966968

約数和(自身を除く): 16470963

約数列:

[1, 3, 5, 9, 15, 45, 53, 159, 265, 477, 795, 2385, 9013, 27039, 45065, 81117, 135195, 405585, 477689, 1433067, 2388445, 4299201, 7165335, 21496005]

約数ペア:

[(1, 21496005), (3, 7165335), (5, 4299201), (9, 2388445), (15, 1433067), (45, 477689), (53, 405585), (159, 135195), (265, 81117), (477, 45065), (795, 27039), (2385, 9013)]