21000270984

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{1439}}^1$

素因数の和:1668

約数の個数: 256

約数和(自身を含む): 67184640000

約数和(自身を除く): 46184369016

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 53, 56, 66, 77, 84, 88, 106, 132, 149, 154, 159, 168, 212, 231, 264, 298, 308, 318, 371, 424, 447, 462, 583, 596, 616, 636, 742, 894, 924, 1043, 1113, 1166, 1192, 1272, 1439, 1484, 1639, 1749, 1788, 1848, 2086, 2226, 2332, 2878, 2968, 3129, 3278, 3498, 3576, 4081, 4172, 4317, 4452, 4664, 4917, 5756, 6258, 6556, 6996, 7897, 8162, 8344, 8634, 8904, 9834, 10073, 11473, 11512, 12243, 12516, 13112, 13992, 15794, 15829, 16324, 17268, 19668, 20146, 22946, 23691, 24486, 25032, 30219, 31588, 31658, 32648, 34419, 34536, 39336, 40292, 45892, 47382, 47487, 48972, 55279, 60438, 63176, 63316, 68838, 76267, 80584, 86867, 91784, 94764, 94974, 97944, 110558, 110803, 120876, 126632, 137676, 152534, 165837, 173734, 189528, 189948, 214411, 221116, 221606, 228801, 241752, 260601, 275352, 305068, 331674, 332409, 347468, 379896, 428822, 442232, 443212, 457602, 521202, 533869, 608069, 610136, 643233, 663348, 664818, 694936, 838937, 857644, 886424, 915204, 1042404, 1067738, 1216138, 1286466, 1326696, 1329636, 1500877, 1601607, 1677874, 1715288, 1824207, 1830408, 2084808, 2135476, 2358521, 2432276, 2516811, 2572932, 2659272, 3001754, 3203214, 3355748, 3648414, 4270952, 4502631, 4717042, 4864552, 5033622, 5145864, 5872559, 6003508, 6406428, 6711496, 7075563, 7296828, 9005262, 9434084, 10067244, 11363783, 11745118, 12007016, 12812856, 14151126, 14593656, 16509647, 17617677, 18010524, 18868168, 20134488, 22727566, 23490236, 28302252, 33019294, 34091349, 35235354, 36021048, 45455132, 46980472, 49528941, 56604504, 66038588, 68182698, 70470708, 79546481, 90910264, 99057882, 125001613, 132077176, 136365396, 140941416, 159092962, 198115764, 238639443, 250003226, 272730792, 318185924, 375004839, 396231528, 477278886, 500006452, 636371848, 750009678, 875011291, 954557772, 1000012904, 1500019356, 1750022582, 1909115544, 2625033873, 3000038712, 3500045164, 5250067746, 7000090328, 10500135492, 21000270984]

約数ペア:

[(1, 21000270984), (2, 10500135492), (3, 7000090328), (4, 5250067746), (6, 3500045164), (7, 3000038712), (8, 2625033873), (11, 1909115544), (12, 1750022582), (14, 1500019356), (21, 1000012904), (22, 954557772), (24, 875011291), (28, 750009678), (33, 636371848), (42, 500006452), (44, 477278886), (53, 396231528), (56, 375004839), (66, 318185924), (77, 272730792), (84, 250003226), (88, 238639443), (106, 198115764), (132, 159092962), (149, 140941416), (154, 136365396), (159, 132077176), (168, 125001613), (212, 99057882), (231, 90910264), (264, 79546481), (298, 70470708), (308, 68182698), (318, 66038588), (371, 56604504), (424, 49528941), (447, 46980472), (462, 45455132), (583, 36021048), (596, 35235354), (616, 34091349), (636, 33019294), (742, 28302252), (894, 23490236), (924, 22727566), (1043, 20134488), (1113, 18868168), (1166, 18010524), (1192, 17617677), (1272, 16509647), (1439, 14593656), (1484, 14151126), (1639, 12812856), (1749, 12007016), (1788, 11745118), (1848, 11363783), (2086, 10067244), (2226, 9434084), (2332, 9005262), (2878, 7296828), (2968, 7075563), (3129, 6711496), (3278, 6406428), (3498, 6003508), (3576, 5872559), (4081, 5145864), (4172, 5033622), (4317, 4864552), (4452, 4717042), (4664, 4502631), (4917, 4270952), (5756, 3648414), (6258, 3355748), (6556, 3203214), (6996, 3001754), (7897, 2659272), (8162, 2572932), (8344, 2516811), (8634, 2432276), (8904, 2358521), (9834, 2135476), (10073, 2084808), (11473, 1830408), (11512, 1824207), (12243, 1715288), (12516, 1677874), (13112, 1601607), (13992, 1500877), (15794, 1329636), (15829, 1326696), (16324, 1286466), (17268, 1216138), (19668, 1067738), (20146, 1042404), (22946, 915204), (23691, 886424), (24486, 857644), (25032, 838937), (30219, 694936), (31588, 664818), (31658, 663348), (32648, 643233), (34419, 610136), (34536, 608069), (39336, 533869), (40292, 521202), (45892, 457602), (47382, 443212), (47487, 442232), (48972, 428822), (55279, 379896), (60438, 347468), (63176, 332409), (63316, 331674), (68838, 305068), (76267, 275352), (80584, 260601), (86867, 241752), (91784, 228801), (94764, 221606), (94974, 221116), (97944, 214411), (110558, 189948), (110803, 189528), (120876, 173734), (126632, 165837), (137676, 152534)]