21692814

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{193}}^1$

素因数の和:353

約数の個数: 64

約数和(自身を含む): 51625728

約数和(自身を除く): 29932914

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 131, 143, 193, 262, 286, 386, 393, 429, 579, 786, 858, 1158, 1441, 1703, 2123, 2509, 2882, 3406, 4246, 4323, 5018, 5109, 6369, 7527, 8646, 10218, 12738, 15054, 18733, 25283, 27599, 37466, 50566, 55198, 56199, 75849, 82797, 112398, 151698, 165594, 278113, 328679, 556226, 657358, 834339, 986037, 1668678, 1972074, 3615469, 7230938, 10846407, 21692814]

約数ペア:

[(1, 21692814), (2, 10846407), (3, 7230938), (6, 3615469), (11, 1972074), (13, 1668678), (22, 986037), (26, 834339), (33, 657358), (39, 556226), (66, 328679), (78, 278113), (131, 165594), (143, 151698), (193, 112398), (262, 82797), (286, 75849), (386, 56199), (393, 55198), (429, 50566), (579, 37466), (786, 27599), (858, 25283), (1158, 18733), (1441, 15054), (1703, 12738), (2123, 10218), (2509, 8646), (2882, 7527), (3406, 6369), (4246, 5109), (4323, 5018)]