21694023

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{839}}^1$

素因数の和:888

約数の個数: 36

約数和(自身を含む): 35970480

約数和(自身を除く): 14276457

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 169, 221, 507, 663, 839, 1521, 1989, 2517, 2873, 7551, 8619, 10907, 14263, 25857, 32721, 42789, 98163, 128367, 141791, 185419, 425373, 556257, 1276119, 1668771, 2410447, 7231341, 21694023]

約数ペア:

[(1, 21694023), (3, 7231341), (9, 2410447), (13, 1668771), (17, 1276119), (39, 556257), (51, 425373), (117, 185419), (153, 141791), (169, 128367), (221, 98163), (507, 42789), (663, 32721), (839, 25857), (1521, 14263), (1989, 10907), (2517, 8619), (2873, 7551)]