21186577008

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{601}}^1$

素因数の和:848

約数の個数: 240

約数和(自身を含む): 62883475200

約数和(自身を除く): 41696898192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 53, 62, 72, 93, 106, 124, 144, 149, 159, 186, 212, 248, 279, 298, 318, 372, 424, 447, 477, 496, 558, 596, 601, 636, 744, 848, 894, 954, 1116, 1192, 1202, 1272, 1341, 1488, 1643, 1788, 1803, 1908, 2232, 2384, 2404, 2544, 2682, 3286, 3576, 3606, 3816, 4464, 4619, 4808, 4929, 5364, 5409, 6572, 7152, 7212, 7632, 7897, 9238, 9616, 9858, 10728, 10818, 13144, 13857, 14424, 14787, 15794, 18476, 18631, 19716, 21456, 21636, 23691, 26288, 27714, 28848, 29574, 31588, 31853, 36952, 37262, 39432, 41571, 43272, 47382, 55428, 55893, 59148, 63176, 63706, 71073, 73904, 74524, 78864, 83142, 86544, 89549, 94764, 95559, 110856, 111786, 118296, 126352, 127412, 142146, 149048, 166284, 167679, 179098, 189528, 191118, 221712, 223572, 236592, 244807, 254824, 268647, 284292, 286677, 298096, 332568, 335358, 358196, 379056, 382236, 447144, 489614, 509648, 537294, 568584, 573354, 665136, 670716, 716392, 734421, 764472, 805941, 894288, 979228, 987443, 1074588, 1137168, 1146708, 1341432, 1432784, 1468842, 1528944, 1611882, 1958456, 1974886, 2149176, 2203263, 2293416, 2682864, 2776019, 2937684, 2962329, 3223764, 3916912, 3949772, 4298352, 4406526, 4586832, 4746097, 5552038, 5875368, 5924658, 6447528, 7899544, 8328057, 8813052, 8886987, 9492194, 11104076, 11750736, 11849316, 12895056, 14238291, 15799088, 16656114, 17626104, 17773974, 18984388, 22208152, 23698632, 24984171, 28476582, 33312228, 35252208, 35547948, 37968776, 42714873, 44416304, 47397264, 49968342, 56953164, 66624456, 71095896, 75937552, 85429746, 99936684, 113906328, 133248912, 142191792, 147129007, 170859492, 199873368, 227812656, 294258014, 341718984, 399746736, 441387021, 588516028, 683437968, 882774042, 1177032056, 1324161063, 1765548084, 2354064112, 2648322126, 3531096168, 5296644252, 7062192336, 10593288504, 21186577008]

約数ペア:

[(1, 21186577008), (2, 10593288504), (3, 7062192336), (4, 5296644252), (6, 3531096168), (8, 2648322126), (9, 2354064112), (12, 1765548084), (16, 1324161063), (18, 1177032056), (24, 882774042), (31, 683437968), (36, 588516028), (48, 441387021), (53, 399746736), (62, 341718984), (72, 294258014), (93, 227812656), (106, 199873368), (124, 170859492), (144, 147129007), (149, 142191792), (159, 133248912), (186, 113906328), (212, 99936684), (248, 85429746), (279, 75937552), (298, 71095896), (318, 66624456), (372, 56953164), (424, 49968342), (447, 47397264), (477, 44416304), (496, 42714873), (558, 37968776), (596, 35547948), (601, 35252208), (636, 33312228), (744, 28476582), (848, 24984171), (894, 23698632), (954, 22208152), (1116, 18984388), (1192, 17773974), (1202, 17626104), (1272, 16656114), (1341, 15799088), (1488, 14238291), (1643, 12895056), (1788, 11849316), (1803, 11750736), (1908, 11104076), (2232, 9492194), (2384, 8886987), (2404, 8813052), (2544, 8328057), (2682, 7899544), (3286, 6447528), (3576, 5924658), (3606, 5875368), (3816, 5552038), (4464, 4746097), (4619, 4586832), (4808, 4406526), (4929, 4298352), (5364, 3949772), (5409, 3916912), (6572, 3223764), (7152, 2962329), (7212, 2937684), (7632, 2776019), (7897, 2682864), (9238, 2293416), (9616, 2203263), (9858, 2149176), (10728, 1974886), (10818, 1958456), (13144, 1611882), (13857, 1528944), (14424, 1468842), (14787, 1432784), (15794, 1341432), (18476, 1146708), (18631, 1137168), (19716, 1074588), (21456, 987443), (21636, 979228), (23691, 894288), (26288, 805941), (27714, 764472), (28848, 734421), (29574, 716392), (31588, 670716), (31853, 665136), (36952, 573354), (37262, 568584), (39432, 537294), (41571, 509648), (43272, 489614), (47382, 447144), (55428, 382236), (55893, 379056), (59148, 358196), (63176, 335358), (63706, 332568), (71073, 298096), (73904, 286677), (74524, 284292), (78864, 268647), (83142, 254824), (86544, 244807), (89549, 236592), (94764, 223572), (95559, 221712), (110856, 191118), (111786, 189528), (118296, 179098), (126352, 167679), (127412, 166284), (142146, 149048)]