21409014

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{797}}^1$

素因数の和:861

約数の個数: 48

約数和(自身を含む): 48397104

約数和(自身を除く): 26988090

約数列:

[1, 2, 3, 6, 11, 22, 33, 37, 66, 74, 111, 121, 222, 242, 363, 407, 726, 797, 814, 1221, 1594, 2391, 2442, 4477, 4782, 8767, 8954, 13431, 17534, 26301, 26862, 29489, 52602, 58978, 88467, 96437, 176934, 192874, 289311, 324379, 578622, 648758, 973137, 1946274, 3568169, 7136338, 10704507, 21409014]

約数ペア:

[(1, 21409014), (2, 10704507), (3, 7136338), (6, 3568169), (11, 1946274), (22, 973137), (33, 648758), (37, 578622), (66, 324379), (74, 289311), (111, 192874), (121, 176934), (222, 96437), (242, 88467), (363, 58978), (407, 52602), (726, 29489), (797, 26862), (814, 26301), (1221, 17534), (1594, 13431), (2391, 8954), (2442, 8767), (4477, 4782)]