21042936

素因数分解:

$2^3\times 3^3\times {\mathrm{37}}^1\times {\mathrm{2633}}^1$

素因数の和:2685

約数の個数: 64

約数和(自身を含む): 60055200

約数和(自身を除く): 39012264

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 37, 54, 72, 74, 108, 111, 148, 216, 222, 296, 333, 444, 666, 888, 999, 1332, 1998, 2633, 2664, 3996, 5266, 7899, 7992, 10532, 15798, 21064, 23697, 31596, 47394, 63192, 71091, 94788, 97421, 142182, 189576, 194842, 284364, 292263, 389684, 568728, 584526, 779368, 876789, 1169052, 1753578, 2338104, 2630367, 3507156, 5260734, 7014312, 10521468, 21042936]

約数ペア:

[(1, 21042936), (2, 10521468), (3, 7014312), (4, 5260734), (6, 3507156), (8, 2630367), (9, 2338104), (12, 1753578), (18, 1169052), (24, 876789), (27, 779368), (36, 584526), (37, 568728), (54, 389684), (72, 292263), (74, 284364), (108, 194842), (111, 189576), (148, 142182), (216, 97421), (222, 94788), (296, 71091), (333, 63192), (444, 47394), (666, 31596), (888, 23697), (999, 21064), (1332, 15798), (1998, 10532), (2633, 7992), (2664, 7899), (3996, 5266)]