21137056952

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{757}}^1$

素因数の和:1021

約数の個数: 128

約数和(自身を含む): 45529482240

約数和(自身を除く): 24392425288

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 47, 86, 88, 94, 157, 172, 188, 314, 344, 376, 473, 517, 628, 757, 946, 1034, 1256, 1514, 1727, 1892, 2021, 2068, 3028, 3454, 3784, 4042, 4136, 6056, 6751, 6908, 7379, 8084, 8327, 13502, 13816, 14758, 16168, 16654, 22231, 27004, 29516, 32551, 33308, 35579, 44462, 54008, 59032, 65102, 66616, 71158, 74261, 81169, 88924, 118849, 130204, 142316, 148522, 162338, 177848, 237698, 260408, 284632, 297044, 317297, 324676, 358061, 391369, 475396, 594088, 634594, 649352, 716122, 782738, 950792, 1269188, 1307339, 1432244, 1529897, 1565476, 2538376, 2614678, 2864488, 3059794, 3130952, 3490267, 5110507, 5229356, 5585903, 6119588, 6980534, 10221014, 10458712, 11171806, 12239176, 13961068, 16828867, 20442028, 22343612, 27922136, 33657734, 40884056, 44687224, 56215577, 61444933, 67315468, 112431154, 122889866, 134630936, 224862308, 240193829, 245779732, 449724616, 480387658, 491559464, 960775316, 1921550632, 2642132119, 5284264238, 10568528476, 21137056952]

約数ペア:

[(1, 21137056952), (2, 10568528476), (4, 5284264238), (8, 2642132119), (11, 1921550632), (22, 960775316), (43, 491559464), (44, 480387658), (47, 449724616), (86, 245779732), (88, 240193829), (94, 224862308), (157, 134630936), (172, 122889866), (188, 112431154), (314, 67315468), (344, 61444933), (376, 56215577), (473, 44687224), (517, 40884056), (628, 33657734), (757, 27922136), (946, 22343612), (1034, 20442028), (1256, 16828867), (1514, 13961068), (1727, 12239176), (1892, 11171806), (2021, 10458712), (2068, 10221014), (3028, 6980534), (3454, 6119588), (3784, 5585903), (4042, 5229356), (4136, 5110507), (6056, 3490267), (6751, 3130952), (6908, 3059794), (7379, 2864488), (8084, 2614678), (8327, 2538376), (13502, 1565476), (13816, 1529897), (14758, 1432244), (16168, 1307339), (16654, 1269188), (22231, 950792), (27004, 782738), (29516, 716122), (32551, 649352), (33308, 634594), (35579, 594088), (44462, 475396), (54008, 391369), (59032, 358061), (65102, 324676), (66616, 317297), (71158, 297044), (74261, 284632), (81169, 260408), (88924, 237698), (118849, 177848), (130204, 162338), (142316, 148522)]