21103469824

素因数分解:

$2^8\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{66107}}^1$

素因数の和:66195

約数の個数: 72

約数和(自身を含む): 44591168160

約数和(自身を除く): 23487698336

約数列:

[1, 2, 4, 8, 16, 29, 32, 43, 58, 64, 86, 116, 128, 172, 232, 256, 344, 464, 688, 928, 1247, 1376, 1856, 2494, 2752, 3712, 4988, 5504, 7424, 9976, 11008, 19952, 39904, 66107, 79808, 132214, 159616, 264428, 319232, 528856, 1057712, 1917103, 2115424, 2842601, 3834206, 4230848, 5685202, 7668412, 8461696, 11370404, 15336824, 16923392, 22740808, 30673648, 45481616, 61347296, 82435429, 90963232, 122694592, 164870858, 181926464, 245389184, 329741716, 363852928, 490778368, 659483432, 727705856, 1318966864, 2637933728, 5275867456, 10551734912, 21103469824]

約数ペア:

[(1, 21103469824), (2, 10551734912), (4, 5275867456), (8, 2637933728), (16, 1318966864), (29, 727705856), (32, 659483432), (43, 490778368), (58, 363852928), (64, 329741716), (86, 245389184), (116, 181926464), (128, 164870858), (172, 122694592), (232, 90963232), (256, 82435429), (344, 61347296), (464, 45481616), (688, 30673648), (928, 22740808), (1247, 16923392), (1376, 15336824), (1856, 11370404), (2494, 8461696), (2752, 7668412), (3712, 5685202), (4988, 4230848), (5504, 3834206), (7424, 2842601), (9976, 2115424), (11008, 1917103), (19952, 1057712), (39904, 528856), (66107, 319232), (79808, 264428), (132214, 159616)]