21574728

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{751}}^1$

素因数の和:792

約数の個数: 128

約数和(自身を含む): 72192000

約数和(自身を除く): 50617272

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 24, 27, 28, 36, 38, 42, 54, 56, 57, 63, 72, 76, 84, 108, 114, 126, 133, 152, 168, 171, 189, 216, 228, 252, 266, 342, 378, 399, 456, 504, 513, 532, 684, 751, 756, 798, 1026, 1064, 1197, 1368, 1502, 1512, 1596, 2052, 2253, 2394, 3004, 3192, 3591, 4104, 4506, 4788, 5257, 6008, 6759, 7182, 9012, 9576, 10514, 13518, 14269, 14364, 15771, 18024, 20277, 21028, 27036, 28538, 28728, 31542, 40554, 42056, 42807, 47313, 54072, 57076, 63084, 81108, 85614, 94626, 99883, 114152, 126168, 128421, 141939, 162216, 171228, 189252, 199766, 256842, 283878, 299649, 342456, 378504, 385263, 399532, 513684, 567756, 599298, 770526, 799064, 898947, 1027368, 1135512, 1198596, 1541052, 1797894, 2397192, 2696841, 3082104, 3595788, 5393682, 7191576, 10787364, 21574728]

約数ペア:

[(1, 21574728), (2, 10787364), (3, 7191576), (4, 5393682), (6, 3595788), (7, 3082104), (8, 2696841), (9, 2397192), (12, 1797894), (14, 1541052), (18, 1198596), (19, 1135512), (21, 1027368), (24, 898947), (27, 799064), (28, 770526), (36, 599298), (38, 567756), (42, 513684), (54, 399532), (56, 385263), (57, 378504), (63, 342456), (72, 299649), (76, 283878), (84, 256842), (108, 199766), (114, 189252), (126, 171228), (133, 162216), (152, 141939), (168, 128421), (171, 126168), (189, 114152), (216, 99883), (228, 94626), (252, 85614), (266, 81108), (342, 63084), (378, 57076), (399, 54072), (456, 47313), (504, 42807), (513, 42056), (532, 40554), (684, 31542), (751, 28728), (756, 28538), (798, 27036), (1026, 21028), (1064, 20277), (1197, 18024), (1368, 15771), (1502, 14364), (1512, 14269), (1596, 13518), (2052, 10514), (2253, 9576), (2394, 9012), (3004, 7182), (3192, 6759), (3591, 6008), (4104, 5257), (4506, 4788)]