21756504

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:281

約数の個数: 128

約数和(自身を含む): 69281280

約数和(自身を除く): 47524776

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 61, 66, 77, 84, 88, 122, 132, 154, 168, 183, 193, 231, 244, 264, 308, 366, 386, 427, 462, 488, 579, 616, 671, 732, 772, 854, 924, 1158, 1281, 1342, 1351, 1464, 1544, 1708, 1848, 2013, 2123, 2316, 2562, 2684, 2702, 3416, 4026, 4053, 4246, 4632, 4697, 5124, 5368, 5404, 6369, 8052, 8106, 8492, 9394, 10248, 10808, 11773, 12738, 14091, 14861, 16104, 16212, 16984, 18788, 23546, 25476, 28182, 29722, 32424, 35319, 37576, 44583, 47092, 50952, 56364, 59444, 70638, 82411, 89166, 94184, 112728, 118888, 129503, 141276, 164822, 178332, 247233, 259006, 282552, 329644, 356664, 388509, 494466, 518012, 659288, 777018, 906521, 988932, 1036024, 1554036, 1813042, 1977864, 2719563, 3108072, 3626084, 5439126, 7252168, 10878252, 21756504]

約数ペア:

[(1, 21756504), (2, 10878252), (3, 7252168), (4, 5439126), (6, 3626084), (7, 3108072), (8, 2719563), (11, 1977864), (12, 1813042), (14, 1554036), (21, 1036024), (22, 988932), (24, 906521), (28, 777018), (33, 659288), (42, 518012), (44, 494466), (56, 388509), (61, 356664), (66, 329644), (77, 282552), (84, 259006), (88, 247233), (122, 178332), (132, 164822), (154, 141276), (168, 129503), (183, 118888), (193, 112728), (231, 94184), (244, 89166), (264, 82411), (308, 70638), (366, 59444), (386, 56364), (427, 50952), (462, 47092), (488, 44583), (579, 37576), (616, 35319), (671, 32424), (732, 29722), (772, 28182), (854, 25476), (924, 23546), (1158, 18788), (1281, 16984), (1342, 16212), (1351, 16104), (1464, 14861), (1544, 14091), (1708, 12738), (1848, 11773), (2013, 10808), (2123, 10248), (2316, 9394), (2562, 8492), (2684, 8106), (2702, 8052), (3416, 6369), (4026, 5404), (4053, 5368), (4246, 5124), (4632, 4697)]