21566574

素因数分解:

$2^1\times 3^4\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1$

素因数の和:263

約数の個数: 80

約数和(自身を含む): 52690176

約数和(自身を除く): 31123602

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 41, 51, 54, 81, 82, 102, 123, 153, 162, 191, 246, 306, 369, 382, 459, 573, 697, 738, 918, 1107, 1146, 1377, 1394, 1719, 2091, 2214, 2754, 3247, 3321, 3438, 4182, 5157, 6273, 6494, 6642, 7831, 9741, 10314, 12546, 15471, 15662, 18819, 19482, 23493, 29223, 30942, 37638, 46986, 56457, 58446, 70479, 87669, 112914, 133127, 140958, 175338, 211437, 263007, 266254, 399381, 422874, 526014, 634311, 798762, 1198143, 1268622, 2396286, 3594429, 7188858, 10783287, 21566574]

約数ペア:

[(1, 21566574), (2, 10783287), (3, 7188858), (6, 3594429), (9, 2396286), (17, 1268622), (18, 1198143), (27, 798762), (34, 634311), (41, 526014), (51, 422874), (54, 399381), (81, 266254), (82, 263007), (102, 211437), (123, 175338), (153, 140958), (162, 133127), (191, 112914), (246, 87669), (306, 70479), (369, 58446), (382, 56457), (459, 46986), (573, 37638), (697, 30942), (738, 29223), (918, 23493), (1107, 19482), (1146, 18819), (1377, 15662), (1394, 15471), (1719, 12546), (2091, 10314), (2214, 9741), (2754, 7831), (3247, 6642), (3321, 6494), (3438, 6273), (4182, 5157)]