21121776

素因数分解:

$2^4\times 3^3\times {\mathrm{13}}^1\times {\mathrm{3761}}^1$

素因数の和:3791

約数の個数: 80

約数和(自身を含む): 65308320

約数和(自身を除く): 44186544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 72, 78, 104, 108, 117, 144, 156, 208, 216, 234, 312, 351, 432, 468, 624, 702, 936, 1404, 1872, 2808, 3761, 5616, 7522, 11283, 15044, 22566, 30088, 33849, 45132, 48893, 60176, 67698, 90264, 97786, 101547, 135396, 146679, 180528, 195572, 203094, 270792, 293358, 391144, 406188, 440037, 541584, 586716, 782288, 812376, 880074, 1173432, 1320111, 1624752, 1760148, 2346864, 2640222, 3520296, 5280444, 7040592, 10560888, 21121776]

約数ペア:

[(1, 21121776), (2, 10560888), (3, 7040592), (4, 5280444), (6, 3520296), (8, 2640222), (9, 2346864), (12, 1760148), (13, 1624752), (16, 1320111), (18, 1173432), (24, 880074), (26, 812376), (27, 782288), (36, 586716), (39, 541584), (48, 440037), (52, 406188), (54, 391144), (72, 293358), (78, 270792), (104, 203094), (108, 195572), (117, 180528), (144, 146679), (156, 135396), (208, 101547), (216, 97786), (234, 90264), (312, 67698), (351, 60176), (432, 48893), (468, 45132), (624, 33849), (702, 30088), (936, 22566), (1404, 15044), (1872, 11283), (2808, 7522), (3761, 5616)]