21228966

素因数分解:

$2^1\times 3^5\times {\mathrm{11}}^2\times {\mathrm{19}}^2$

素因数の和:77

約数の個数: 108

約数和(自身を含む): 55334916

約数和(自身を除く): 34105950

約数列:

[1, 2, 3, 6, 9, 11, 18, 19, 22, 27, 33, 38, 54, 57, 66, 81, 99, 114, 121, 162, 171, 198, 209, 242, 243, 297, 342, 361, 363, 418, 486, 513, 594, 627, 722, 726, 891, 1026, 1083, 1089, 1254, 1539, 1782, 1881, 2166, 2178, 2299, 2673, 3078, 3249, 3267, 3762, 3971, 4598, 4617, 5346, 5643, 6498, 6534, 6897, 7942, 9234, 9747, 9801, 11286, 11913, 13794, 16929, 19494, 19602, 20691, 23826, 29241, 29403, 33858, 35739, 41382, 43681, 50787, 58482, 58806, 62073, 71478, 87362, 87723, 101574, 107217, 124146, 131043, 175446, 186219, 214434, 262086, 321651, 372438, 393129, 558657, 643302, 786258, 964953, 1117314, 1179387, 1929906, 2358774, 3538161, 7076322, 10614483, 21228966]

約数ペア:

[(1, 21228966), (2, 10614483), (3, 7076322), (6, 3538161), (9, 2358774), (11, 1929906), (18, 1179387), (19, 1117314), (22, 964953), (27, 786258), (33, 643302), (38, 558657), (54, 393129), (57, 372438), (66, 321651), (81, 262086), (99, 214434), (114, 186219), (121, 175446), (162, 131043), (171, 124146), (198, 107217), (209, 101574), (242, 87723), (243, 87362), (297, 71478), (342, 62073), (361, 58806), (363, 58482), (418, 50787), (486, 43681), (513, 41382), (594, 35739), (627, 33858), (722, 29403), (726, 29241), (891, 23826), (1026, 20691), (1083, 19602), (1089, 19494), (1254, 16929), (1539, 13794), (1782, 11913), (1881, 11286), (2166, 9801), (2178, 9747), (2299, 9234), (2673, 7942), (3078, 6897), (3249, 6534), (3267, 6498), (3762, 5643), (3971, 5346), (4598, 4617)]