21624003

素因数分解:

$3^4\times {\mathrm{239}}^1\times {\mathrm{1117}}^1$

素因数の和:1368

約数の個数: 20

約数和(自身を含む): 32466720

約数和(自身を除く): 10842717

約数列:

[1, 3, 9, 27, 81, 239, 717, 1117, 2151, 3351, 6453, 10053, 19359, 30159, 90477, 266963, 800889, 2402667, 7208001, 21624003]

約数ペア:

[(1, 21624003), (3, 7208001), (9, 2402667), (27, 800889), (81, 266963), (239, 90477), (717, 30159), (1117, 19359), (2151, 10053), (3351, 6453)]