21753138

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{83}}^1$

素因数の和:148

約数の個数: 72

約数和(自身を含む): 51078384

約数和(自身を除く): 29325246

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 57, 66, 83, 114, 121, 166, 209, 242, 249, 361, 363, 418, 498, 627, 722, 726, 913, 1083, 1254, 1577, 1826, 2166, 2299, 2739, 3154, 3971, 4598, 4731, 5478, 6897, 7942, 9462, 10043, 11913, 13794, 17347, 20086, 23826, 29963, 30129, 34694, 43681, 52041, 59926, 60258, 87362, 89889, 104082, 131043, 179778, 190817, 262086, 329593, 381634, 572451, 659186, 988779, 1144902, 1977558, 3625523, 7251046, 10876569, 21753138]

約数ペア:

[(1, 21753138), (2, 10876569), (3, 7251046), (6, 3625523), (11, 1977558), (19, 1144902), (22, 988779), (33, 659186), (38, 572451), (57, 381634), (66, 329593), (83, 262086), (114, 190817), (121, 179778), (166, 131043), (209, 104082), (242, 89889), (249, 87362), (361, 60258), (363, 59926), (418, 52041), (498, 43681), (627, 34694), (722, 30129), (726, 29963), (913, 23826), (1083, 20086), (1254, 17347), (1577, 13794), (1826, 11913), (2166, 10043), (2299, 9462), (2739, 7942), (3154, 6897), (3971, 5478), (4598, 4731)]