21172052648

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{7477}}^1$

素因数の和:7710

約数の個数: 64

約数和(自身を含む): 41552254800

約数和(自身を除く): 20380202152

約数列:

[1, 2, 4, 8, 41, 82, 89, 97, 164, 178, 194, 328, 356, 388, 712, 776, 3649, 3977, 7298, 7477, 7954, 8633, 14596, 14954, 15908, 17266, 29192, 29908, 31816, 34532, 59816, 69064, 306557, 353953, 613114, 665453, 707906, 725269, 1226228, 1330906, 1415812, 1450538, 2452456, 2661812, 2831624, 2901076, 5323624, 5802152, 27283573, 29736029, 54567146, 59472058, 64548941, 109134292, 118944116, 129097882, 218268584, 237888232, 258195764, 516391528, 2646506581, 5293013162, 10586026324, 21172052648]

約数ペア:

[(1, 21172052648), (2, 10586026324), (4, 5293013162), (8, 2646506581), (41, 516391528), (82, 258195764), (89, 237888232), (97, 218268584), (164, 129097882), (178, 118944116), (194, 109134292), (328, 64548941), (356, 59472058), (388, 54567146), (712, 29736029), (776, 27283573), (3649, 5802152), (3977, 5323624), (7298, 2901076), (7477, 2831624), (7954, 2661812), (8633, 2452456), (14596, 1450538), (14954, 1415812), (15908, 1330906), (17266, 1226228), (29192, 725269), (29908, 707906), (31816, 665453), (34532, 613114), (59816, 353953), (69064, 306557)]