21889449

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{433}}^1$

素因数の和:617

約数の個数: 24

約数和(自身を含む): 32701032

約数和(自身を除く): 10811583

約数列:

[1, 3, 9, 41, 123, 137, 369, 411, 433, 1233, 1299, 3897, 5617, 16851, 17753, 50553, 53259, 59321, 159777, 177963, 533889, 2432161, 7296483, 21889449]

約数ペア:

[(1, 21889449), (3, 7296483), (9, 2432161), (41, 533889), (123, 177963), (137, 159777), (369, 59321), (411, 53259), (433, 50553), (1233, 17753), (1299, 16851), (3897, 5617)]