21492933

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:182

約数の個数: 64

約数和(自身を含む): 38707200

約数和(自身を除く): 17214267

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 59, 77, 83, 133, 177, 209, 231, 249, 399, 413, 581, 627, 649, 913, 1121, 1239, 1463, 1577, 1743, 1947, 2739, 3363, 4389, 4543, 4731, 4897, 6391, 7847, 11039, 12331, 13629, 14691, 17347, 19173, 23541, 33117, 34279, 36993, 52041, 53867, 86317, 93043, 102837, 121429, 161601, 258951, 279129, 364287, 377069, 651301, 1023473, 1131207, 1953903, 3070419, 7164311, 21492933]

約数ペア:

[(1, 21492933), (3, 7164311), (7, 3070419), (11, 1953903), (19, 1131207), (21, 1023473), (33, 651301), (57, 377069), (59, 364287), (77, 279129), (83, 258951), (133, 161601), (177, 121429), (209, 102837), (231, 93043), (249, 86317), (399, 53867), (413, 52041), (581, 36993), (627, 34279), (649, 33117), (913, 23541), (1121, 19173), (1239, 17347), (1463, 14691), (1577, 13629), (1743, 12331), (1947, 11039), (2739, 7847), (3363, 6391), (4389, 4897), (4543, 4731)]