21131889984

素因数分解:

$2^6\times 3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37861}}^1$

素因数の和:37918

約数の個数: 224

約数和(自身を含む): 69242025600

約数和(自身を除く): 48110135616

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 19, 24, 27, 32, 34, 36, 38, 48, 51, 54, 57, 64, 68, 72, 76, 96, 102, 108, 114, 136, 144, 152, 153, 171, 192, 204, 216, 228, 272, 288, 304, 306, 323, 342, 408, 432, 456, 459, 513, 544, 576, 608, 612, 646, 684, 816, 864, 912, 918, 969, 1026, 1088, 1216, 1224, 1292, 1368, 1632, 1728, 1824, 1836, 1938, 2052, 2448, 2584, 2736, 2907, 3264, 3648, 3672, 3876, 4104, 4896, 5168, 5472, 5814, 7344, 7752, 8208, 8721, 9792, 10336, 10944, 11628, 14688, 15504, 16416, 17442, 20672, 23256, 29376, 31008, 32832, 34884, 37861, 46512, 62016, 69768, 75722, 93024, 113583, 139536, 151444, 186048, 227166, 279072, 302888, 340749, 454332, 558144, 605776, 643637, 681498, 719359, 908664, 1022247, 1211552, 1287274, 1362996, 1438718, 1817328, 1930911, 2044494, 2158077, 2423104, 2574548, 2725992, 2877436, 3634656, 3861822, 4088988, 4316154, 5149096, 5451984, 5754872, 5792733, 6474231, 7269312, 7723644, 8177976, 8632308, 10298192, 10903968, 11509744, 11585466, 12229103, 12948462, 15447288, 16355952, 17264616, 17378199, 19422693, 20596384, 21807936, 23019488, 23170932, 24458206, 25896924, 30894576, 32711904, 34529232, 34756398, 36687309, 38845386, 41192768, 46038976, 46341864, 48916412, 51793848, 61789152, 65423808, 69058464, 69512796, 73374618, 77690772, 92683728, 97832824, 103587696, 110061927, 123578304, 138116928, 139025592, 146749236, 155381544, 185367456, 195665648, 207175392, 220123854, 278051184, 293498472, 310763088, 330185781, 370734912, 391331296, 414350784, 440247708, 556102368, 586996944, 621526176, 660371562, 782662592, 880495416, 1112204736, 1173993888, 1243052352, 1320743124, 1760990832, 2347987776, 2641486248, 3521981664, 5282972496, 7043963328, 10565944992, 21131889984]

約数ペア:

[(1, 21131889984), (2, 10565944992), (3, 7043963328), (4, 5282972496), (6, 3521981664), (8, 2641486248), (9, 2347987776), (12, 1760990832), (16, 1320743124), (17, 1243052352), (18, 1173993888), (19, 1112204736), (24, 880495416), (27, 782662592), (32, 660371562), (34, 621526176), (36, 586996944), (38, 556102368), (48, 440247708), (51, 414350784), (54, 391331296), (57, 370734912), (64, 330185781), (68, 310763088), (72, 293498472), (76, 278051184), (96, 220123854), (102, 207175392), (108, 195665648), (114, 185367456), (136, 155381544), (144, 146749236), (152, 139025592), (153, 138116928), (171, 123578304), (192, 110061927), (204, 103587696), (216, 97832824), (228, 92683728), (272, 77690772), (288, 73374618), (304, 69512796), (306, 69058464), (323, 65423808), (342, 61789152), (408, 51793848), (432, 48916412), (456, 46341864), (459, 46038976), (513, 41192768), (544, 38845386), (576, 36687309), (608, 34756398), (612, 34529232), (646, 32711904), (684, 30894576), (816, 25896924), (864, 24458206), (912, 23170932), (918, 23019488), (969, 21807936), (1026, 20596384), (1088, 19422693), (1216, 17378199), (1224, 17264616), (1292, 16355952), (1368, 15447288), (1632, 12948462), (1728, 12229103), (1824, 11585466), (1836, 11509744), (1938, 10903968), (2052, 10298192), (2448, 8632308), (2584, 8177976), (2736, 7723644), (2907, 7269312), (3264, 6474231), (3648, 5792733), (3672, 5754872), (3876, 5451984), (4104, 5149096), (4896, 4316154), (5168, 4088988), (5472, 3861822), (5814, 3634656), (7344, 2877436), (7752, 2725992), (8208, 2574548), (8721, 2423104), (9792, 2158077), (10336, 2044494), (10944, 1930911), (11628, 1817328), (14688, 1438718), (15504, 1362996), (16416, 1287274), (17442, 1211552), (20672, 1022247), (23256, 908664), (29376, 719359), (31008, 681498), (32832, 643637), (34884, 605776), (37861, 558144), (46512, 454332), (62016, 340749), (69768, 302888), (75722, 279072), (93024, 227166), (113583, 186048), (139536, 151444)]