21048970716

素因数分解:

$2^2\times 3^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1447}}^1$

素因数の和:1638

約数の個数: 240

約数和(自身を含む): 61813382400

約数和(自身を除く): 40764411684

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 19, 27, 34, 36, 38, 51, 54, 57, 68, 76, 81, 102, 108, 114, 139, 153, 162, 171, 204, 228, 278, 306, 323, 324, 342, 417, 459, 513, 556, 612, 646, 684, 834, 918, 969, 1026, 1251, 1292, 1377, 1447, 1539, 1668, 1836, 1938, 2052, 2363, 2502, 2641, 2754, 2894, 2907, 3078, 3753, 3876, 4341, 4726, 5004, 5282, 5508, 5788, 5814, 6156, 7089, 7506, 7923, 8682, 8721, 9452, 10564, 11259, 11628, 13023, 14178, 15012, 15846, 17364, 17442, 21267, 22518, 23769, 24599, 26046, 26163, 27493, 28356, 31692, 34884, 39069, 42534, 44897, 45036, 47538, 49198, 52092, 52326, 54986, 63801, 71307, 73797, 78138, 82479, 85068, 89794, 95076, 98396, 104652, 109972, 117207, 127602, 134691, 142614, 147594, 156276, 164958, 179588, 191403, 201133, 213921, 221391, 234414, 247437, 255204, 269382, 285228, 295188, 329916, 382806, 402266, 404073, 427842, 442782, 467381, 468828, 494874, 538764, 603399, 664173, 742311, 765612, 804532, 808146, 855684, 885564, 934762, 989748, 1206798, 1212219, 1328346, 1402143, 1484622, 1616292, 1810197, 1869524, 1992519, 2226933, 2413596, 2424438, 2656692, 2804286, 2969244, 3419261, 3620394, 3636657, 3821527, 3985038, 4206429, 4453866, 4848876, 5430591, 5608572, 6838522, 7240788, 7273314, 7643054, 7970076, 8412858, 8907732, 10257783, 10861182, 11464581, 12619287, 13677044, 14546628, 15286108, 16291773, 16825716, 20515566, 21722364, 22929162, 25238574, 30773349, 32583546, 34393743, 37857861, 41031132, 45858324, 50477148, 61546698, 64965959, 65167092, 68787486, 75715722, 92320047, 103181229, 123093396, 129931918, 137574972, 151431444, 184640094, 194897877, 206362458, 259863836, 276960141, 309543687, 369280188, 389795754, 412724916, 553920282, 584693631, 619087374, 779591508, 1107840564, 1169387262, 1238174748, 1754080893, 2338774524, 3508161786, 5262242679, 7016323572, 10524485358, 21048970716]

約数ペア:

[(1, 21048970716), (2, 10524485358), (3, 7016323572), (4, 5262242679), (6, 3508161786), (9, 2338774524), (12, 1754080893), (17, 1238174748), (18, 1169387262), (19, 1107840564), (27, 779591508), (34, 619087374), (36, 584693631), (38, 553920282), (51, 412724916), (54, 389795754), (57, 369280188), (68, 309543687), (76, 276960141), (81, 259863836), (102, 206362458), (108, 194897877), (114, 184640094), (139, 151431444), (153, 137574972), (162, 129931918), (171, 123093396), (204, 103181229), (228, 92320047), (278, 75715722), (306, 68787486), (323, 65167092), (324, 64965959), (342, 61546698), (417, 50477148), (459, 45858324), (513, 41031132), (556, 37857861), (612, 34393743), (646, 32583546), (684, 30773349), (834, 25238574), (918, 22929162), (969, 21722364), (1026, 20515566), (1251, 16825716), (1292, 16291773), (1377, 15286108), (1447, 14546628), (1539, 13677044), (1668, 12619287), (1836, 11464581), (1938, 10861182), (2052, 10257783), (2363, 8907732), (2502, 8412858), (2641, 7970076), (2754, 7643054), (2894, 7273314), (2907, 7240788), (3078, 6838522), (3753, 5608572), (3876, 5430591), (4341, 4848876), (4726, 4453866), (5004, 4206429), (5282, 3985038), (5508, 3821527), (5788, 3636657), (5814, 3620394), (6156, 3419261), (7089, 2969244), (7506, 2804286), (7923, 2656692), (8682, 2424438), (8721, 2413596), (9452, 2226933), (10564, 1992519), (11259, 1869524), (11628, 1810197), (13023, 1616292), (14178, 1484622), (15012, 1402143), (15846, 1328346), (17364, 1212219), (17442, 1206798), (21267, 989748), (22518, 934762), (23769, 885564), (24599, 855684), (26046, 808146), (26163, 804532), (27493, 765612), (28356, 742311), (31692, 664173), (34884, 603399), (39069, 538764), (42534, 494874), (44897, 468828), (45036, 467381), (47538, 442782), (49198, 427842), (52092, 404073), (52326, 402266), (54986, 382806), (63801, 329916), (71307, 295188), (73797, 285228), (78138, 269382), (82479, 255204), (85068, 247437), (89794, 234414), (95076, 221391), (98396, 213921), (104652, 201133), (109972, 191403), (117207, 179588), (127602, 164958), (134691, 156276), (142614, 147594)]