21894320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{39097}}^1$

素因数の和:39117

約数の個数: 40

約数和(自身を含む): 58177824

約数和(自身を除く): 36283504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 39097, 78194, 156388, 195485, 273679, 312776, 390970, 547358, 625552, 781940, 1094716, 1368395, 1563880, 2189432, 2736790, 3127760, 4378864, 5473580, 10947160, 21894320]

約数ペア:

[(1, 21894320), (2, 10947160), (4, 5473580), (5, 4378864), (7, 3127760), (8, 2736790), (10, 2189432), (14, 1563880), (16, 1368395), (20, 1094716), (28, 781940), (35, 625552), (40, 547358), (56, 390970), (70, 312776), (80, 273679), (112, 195485), (140, 156388), (280, 78194), (560, 39097)]