21243764646

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{68311}}^1$

素因数の和:68778

約数の個数: 64

約数和(自身を含む): 50955287040

約数和(自身を除く): 29711522394

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 443, 702, 886, 1329, 2658, 3987, 5759, 7974, 11518, 11961, 17277, 23922, 34554, 51831, 68311, 103662, 136622, 155493, 204933, 310986, 409866, 614799, 888043, 1229598, 1776086, 1844397, 2664129, 3688794, 5328258, 7992387, 15984774, 23977161, 30261773, 47954322, 60523546, 90785319, 181570638, 272355957, 393403049, 544711914, 786806098, 817067871, 1180209147, 1634135742, 2360418294, 3540627441, 7081254882, 10621882323, 21243764646]

約数ペア:

[(1, 21243764646), (2, 10621882323), (3, 7081254882), (6, 3540627441), (9, 2360418294), (13, 1634135742), (18, 1180209147), (26, 817067871), (27, 786806098), (39, 544711914), (54, 393403049), (78, 272355957), (117, 181570638), (234, 90785319), (351, 60523546), (443, 47954322), (702, 30261773), (886, 23977161), (1329, 15984774), (2658, 7992387), (3987, 5328258), (5759, 3688794), (7974, 2664129), (11518, 1844397), (11961, 1776086), (17277, 1229598), (23922, 888043), (34554, 614799), (51831, 409866), (68311, 310986), (103662, 204933), (136622, 155493)]