21005090190

素因数分解:

$2^1\times 3^2\times 5^1\times 7^3\times {\mathrm{101}}^1\times {\mathrm{6737}}^1$

素因数の和:6872

約数の個数: 192

約数和(自身を含む): 64329033600

約数和(自身を除く): 43323943410

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 101, 105, 126, 147, 202, 210, 245, 294, 303, 315, 343, 441, 490, 505, 606, 630, 686, 707, 735, 882, 909, 1010, 1029, 1414, 1470, 1515, 1715, 1818, 2058, 2121, 2205, 3030, 3087, 3430, 3535, 4242, 4410, 4545, 4949, 5145, 6174, 6363, 6737, 7070, 9090, 9898, 10290, 10605, 12726, 13474, 14847, 15435, 20211, 21210, 24745, 29694, 30870, 31815, 33685, 34643, 40422, 44541, 47159, 49490, 60633, 63630, 67370, 69286, 74235, 89082, 94318, 101055, 103929, 121266, 141477, 148470, 173215, 202110, 207858, 222705, 235795, 282954, 303165, 311787, 330113, 346430, 424431, 445410, 471590, 519645, 606330, 623574, 660226, 680437, 707385, 848862, 990339, 1039290, 1360874, 1414770, 1558935, 1650565, 1980678, 2041311, 2122155, 2310791, 2971017, 3117870, 3301130, 3402185, 4082622, 4244310, 4621582, 4763059, 4951695, 5942034, 6123933, 6804370, 6932373, 9526118, 9903390, 10206555, 11553955, 12247866, 13864746, 14289177, 14855085, 20413110, 20797119, 23107910, 23815295, 28578354, 29710170, 30619665, 33341413, 34661865, 41594238, 42867531, 47630590, 61239330, 66682826, 69323730, 71445885, 85735062, 100024239, 103985595, 142891770, 166707065, 200048478, 207971190, 214337655, 233389891, 300072717, 333414130, 428675310, 466779782, 500121195, 600145434, 700169673, 1000242390, 1166949455, 1400339346, 1500363585, 2100509019, 2333898910, 3000727170, 3500848365, 4201018038, 7001696730, 10502545095, 21005090190]

約数ペア:

[(1, 21005090190), (2, 10502545095), (3, 7001696730), (5, 4201018038), (6, 3500848365), (7, 3000727170), (9, 2333898910), (10, 2100509019), (14, 1500363585), (15, 1400339346), (18, 1166949455), (21, 1000242390), (30, 700169673), (35, 600145434), (42, 500121195), (45, 466779782), (49, 428675310), (63, 333414130), (70, 300072717), (90, 233389891), (98, 214337655), (101, 207971190), (105, 200048478), (126, 166707065), (147, 142891770), (202, 103985595), (210, 100024239), (245, 85735062), (294, 71445885), (303, 69323730), (315, 66682826), (343, 61239330), (441, 47630590), (490, 42867531), (505, 41594238), (606, 34661865), (630, 33341413), (686, 30619665), (707, 29710170), (735, 28578354), (882, 23815295), (909, 23107910), (1010, 20797119), (1029, 20413110), (1414, 14855085), (1470, 14289177), (1515, 13864746), (1715, 12247866), (1818, 11553955), (2058, 10206555), (2121, 9903390), (2205, 9526118), (3030, 6932373), (3087, 6804370), (3430, 6123933), (3535, 5942034), (4242, 4951695), (4410, 4763059), (4545, 4621582), (4949, 4244310), (5145, 4082622), (6174, 3402185), (6363, 3301130), (6737, 3117870), (7070, 2971017), (9090, 2310791), (9898, 2122155), (10290, 2041311), (10605, 1980678), (12726, 1650565), (13474, 1558935), (14847, 1414770), (15435, 1360874), (20211, 1039290), (21210, 990339), (24745, 848862), (29694, 707385), (30870, 680437), (31815, 660226), (33685, 623574), (34643, 606330), (40422, 519645), (44541, 471590), (47159, 445410), (49490, 424431), (60633, 346430), (63630, 330113), (67370, 311787), (69286, 303165), (74235, 282954), (89082, 235795), (94318, 222705), (101055, 207858), (103929, 202110), (121266, 173215), (141477, 148470)]