21680802

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8423}}^1$

素因数の和:8455

約数の個数: 48

約数和(自身を含む): 55194048

約数和(自身を除く): 33513246

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 33, 39, 66, 78, 99, 117, 143, 198, 234, 286, 429, 858, 1287, 2574, 8423, 16846, 25269, 50538, 75807, 92653, 109499, 151614, 185306, 218998, 277959, 328497, 555918, 656994, 833877, 985491, 1204489, 1667754, 1970982, 2408978, 3613467, 7226934, 10840401, 21680802]

約数ペア:

[(1, 21680802), (2, 10840401), (3, 7226934), (6, 3613467), (9, 2408978), (11, 1970982), (13, 1667754), (18, 1204489), (22, 985491), (26, 833877), (33, 656994), (39, 555918), (66, 328497), (78, 277959), (99, 218998), (117, 185306), (143, 151614), (198, 109499), (234, 92653), (286, 75807), (429, 50538), (858, 25269), (1287, 16846), (2574, 8423)]