21310674

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{239}}^1$

素因数の和:455

約数の個数: 64

約数和(自身を含む): 53637120

約数和(自身を除く): 32326446

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 193, 231, 239, 386, 462, 478, 579, 717, 1158, 1351, 1434, 1673, 2123, 2629, 2702, 3346, 4053, 4246, 5019, 5258, 6369, 7887, 8106, 10038, 12738, 14861, 15774, 18403, 29722, 36806, 44583, 46127, 55209, 89166, 92254, 110418, 138381, 276762, 322889, 507397, 645778, 968667, 1014794, 1522191, 1937334, 3044382, 3551779, 7103558, 10655337, 21310674]

約数ペア:

[(1, 21310674), (2, 10655337), (3, 7103558), (6, 3551779), (7, 3044382), (11, 1937334), (14, 1522191), (21, 1014794), (22, 968667), (33, 645778), (42, 507397), (66, 322889), (77, 276762), (154, 138381), (193, 110418), (231, 92254), (239, 89166), (386, 55209), (462, 46127), (478, 44583), (579, 36806), (717, 29722), (1158, 18403), (1351, 15774), (1434, 14861), (1673, 12738), (2123, 10038), (2629, 8106), (2702, 7887), (3346, 6369), (4053, 5258), (4246, 5019)]