21788496

素因数分解:

$2^4\times 3^2\times {\mathrm{83}}^1\times {\mathrm{1823}}^1$

素因数の和:1920

約数の個数: 60

約数和(自身を含む): 61746048

約数和(自身を除く): 39957552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 83, 144, 166, 249, 332, 498, 664, 747, 996, 1328, 1494, 1823, 1992, 2988, 3646, 3984, 5469, 5976, 7292, 10938, 11952, 14584, 16407, 21876, 29168, 32814, 43752, 65628, 87504, 131256, 151309, 262512, 302618, 453927, 605236, 907854, 1210472, 1361781, 1815708, 2420944, 2723562, 3631416, 5447124, 7262832, 10894248, 21788496]

約数ペア:

[(1, 21788496), (2, 10894248), (3, 7262832), (4, 5447124), (6, 3631416), (8, 2723562), (9, 2420944), (12, 1815708), (16, 1361781), (18, 1210472), (24, 907854), (36, 605236), (48, 453927), (72, 302618), (83, 262512), (144, 151309), (166, 131256), (249, 87504), (332, 65628), (498, 43752), (664, 32814), (747, 29168), (996, 21876), (1328, 16407), (1494, 14584), (1823, 11952), (1992, 10938), (2988, 7292), (3646, 5976), (3984, 5469)]