21544506

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{277}}^1$

素因数の和:463

約数の個数: 48

約数和(自身を含む): 48789000

約数和(自身を除く): 27244494

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 149, 174, 261, 277, 298, 447, 522, 554, 831, 894, 1341, 1662, 2493, 2682, 4321, 4986, 8033, 8642, 12963, 16066, 24099, 25926, 38889, 41273, 48198, 72297, 77778, 82546, 123819, 144594, 247638, 371457, 742914, 1196917, 2393834, 3590751, 7181502, 10772253, 21544506]

約数ペア:

[(1, 21544506), (2, 10772253), (3, 7181502), (6, 3590751), (9, 2393834), (18, 1196917), (29, 742914), (58, 371457), (87, 247638), (149, 144594), (174, 123819), (261, 82546), (277, 77778), (298, 72297), (447, 48198), (522, 41273), (554, 38889), (831, 25926), (894, 24099), (1341, 16066), (1662, 12963), (2493, 8642), (2682, 8033), (4321, 4986)]