21296385280

素因数分解:

$2^8\times 5^1\times {\mathrm{593}}^1\times {\mathrm{28057}}^1$

素因数の和:28671

約数の個数: 72

約数和(自身を含む): 51099341832

約数和(自身を除く): 29802956552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 593, 640, 1186, 1280, 2372, 2965, 4744, 5930, 9488, 11860, 18976, 23720, 28057, 37952, 47440, 56114, 75904, 94880, 112228, 140285, 151808, 189760, 224456, 280570, 379520, 448912, 561140, 759040, 897824, 1122280, 1795648, 2244560, 3591296, 4489120, 7182592, 8978240, 16637801, 17956480, 33275602, 35912960, 66551204, 83189005, 133102408, 166378010, 266204816, 332756020, 532409632, 665512040, 1064819264, 1331024080, 2129638528, 2662048160, 4259277056, 5324096320, 10648192640, 21296385280]

約数ペア:

[(1, 21296385280), (2, 10648192640), (4, 5324096320), (5, 4259277056), (8, 2662048160), (10, 2129638528), (16, 1331024080), (20, 1064819264), (32, 665512040), (40, 532409632), (64, 332756020), (80, 266204816), (128, 166378010), (160, 133102408), (256, 83189005), (320, 66551204), (593, 35912960), (640, 33275602), (1186, 17956480), (1280, 16637801), (2372, 8978240), (2965, 7182592), (4744, 4489120), (5930, 3591296), (9488, 2244560), (11860, 1795648), (18976, 1122280), (23720, 897824), (28057, 759040), (37952, 561140), (47440, 448912), (56114, 379520), (75904, 280570), (94880, 224456), (112228, 189760), (140285, 151808)]