21649584

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{313}}^1$

素因数の和:466

約数の個数: 80

約数和(自身を含む): 61674624

約数和(自身を除く): 40025040

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 131, 132, 176, 262, 264, 313, 393, 524, 528, 626, 786, 939, 1048, 1252, 1441, 1572, 1878, 2096, 2504, 2882, 3144, 3443, 3756, 4323, 5008, 5764, 6288, 6886, 7512, 8646, 10329, 11528, 13772, 15024, 17292, 20658, 23056, 27544, 34584, 41003, 41316, 55088, 69168, 82006, 82632, 123009, 164012, 165264, 246018, 328024, 451033, 492036, 656048, 902066, 984072, 1353099, 1804132, 1968144, 2706198, 3608264, 5412396, 7216528, 10824792, 21649584]

約数ペア:

[(1, 21649584), (2, 10824792), (3, 7216528), (4, 5412396), (6, 3608264), (8, 2706198), (11, 1968144), (12, 1804132), (16, 1353099), (22, 984072), (24, 902066), (33, 656048), (44, 492036), (48, 451033), (66, 328024), (88, 246018), (131, 165264), (132, 164012), (176, 123009), (262, 82632), (264, 82006), (313, 69168), (393, 55088), (524, 41316), (528, 41003), (626, 34584), (786, 27544), (939, 23056), (1048, 20658), (1252, 17292), (1441, 15024), (1572, 13772), (1878, 11528), (2096, 10329), (2504, 8646), (2882, 7512), (3144, 6886), (3443, 6288), (3756, 5764), (4323, 5008)]