21511019600

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{1097501}}^1$

素因数の和:1097533

約数の個数: 90

約数和(自身を含む): 60117867054

約数和(自身を除く): 38606847454

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 175, 196, 200, 245, 280, 350, 392, 400, 490, 560, 700, 784, 980, 1225, 1400, 1960, 2450, 2800, 3920, 4900, 9800, 19600, 1097501, 2195002, 4390004, 5487505, 7682507, 8780008, 10975010, 15365014, 17560016, 21950020, 27437525, 30730028, 38412535, 43900040, 53777549, 54875050, 61460056, 76825070, 87800080, 107555098, 109750100, 122920112, 153650140, 192062675, 215110196, 219500200, 268887745, 307300280, 384125350, 430220392, 439000400, 537775490, 614600560, 768250700, 860440784, 1075550980, 1344438725, 1536501400, 2151101960, 2688877450, 3073002800, 4302203920, 5377754900, 10755509800, 21511019600]

約数ペア:

[(1, 21511019600), (2, 10755509800), (4, 5377754900), (5, 4302203920), (7, 3073002800), (8, 2688877450), (10, 2151101960), (14, 1536501400), (16, 1344438725), (20, 1075550980), (25, 860440784), (28, 768250700), (35, 614600560), (40, 537775490), (49, 439000400), (50, 430220392), (56, 384125350), (70, 307300280), (80, 268887745), (98, 219500200), (100, 215110196), (112, 192062675), (140, 153650140), (175, 122920112), (196, 109750100), (200, 107555098), (245, 87800080), (280, 76825070), (350, 61460056), (392, 54875050), (400, 53777549), (490, 43900040), (560, 38412535), (700, 30730028), (784, 27437525), (980, 21950020), (1225, 17560016), (1400, 15365014), (1960, 10975010), (2450, 8780008), (2800, 7682507), (3920, 5487505), (4900, 4390004), (9800, 2195002), (19600, 1097501)]