21423609

素因数分解:

$3^5\times {\mathrm{131}}^1\times {\mathrm{673}}^1$

素因数の和:819

約数の個数: 24

約数和(自身を含む): 32384352

約数和(自身を除く): 10960743

約数列:

[1, 3, 9, 27, 81, 131, 243, 393, 673, 1179, 2019, 3537, 6057, 10611, 18171, 31833, 54513, 88163, 163539, 264489, 793467, 2380401, 7141203, 21423609]

約数ペア:

[(1, 21423609), (3, 7141203), (9, 2380401), (27, 793467), (81, 264489), (131, 163539), (243, 88163), (393, 54513), (673, 31833), (1179, 18171), (2019, 10611), (3537, 6057)]