21679488

素因数分解:

$2^7\times 3^5\times {\mathrm{17}}^1\times {\mathrm{41}}^1$

素因数の和:87

約数の個数: 192

約数和(自身を含む): 70171920

約数和(自身を除く): 48492432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 32, 34, 36, 41, 48, 51, 54, 64, 68, 72, 81, 82, 96, 102, 108, 123, 128, 136, 144, 153, 162, 164, 192, 204, 216, 243, 246, 272, 288, 306, 324, 328, 369, 384, 408, 432, 459, 486, 492, 544, 576, 612, 648, 656, 697, 738, 816, 864, 918, 972, 984, 1088, 1107, 1152, 1224, 1296, 1312, 1377, 1394, 1476, 1632, 1728, 1836, 1944, 1968, 2091, 2176, 2214, 2448, 2592, 2624, 2754, 2788, 2952, 3264, 3321, 3456, 3672, 3888, 3936, 4131, 4182, 4428, 4896, 5184, 5248, 5508, 5576, 5904, 6273, 6528, 6642, 7344, 7776, 7872, 8262, 8364, 8856, 9792, 9963, 10368, 11016, 11152, 11808, 12546, 13284, 14688, 15552, 15744, 16524, 16728, 17712, 18819, 19584, 19926, 22032, 22304, 23616, 25092, 26568, 29376, 31104, 33048, 33456, 35424, 37638, 39852, 44064, 44608, 47232, 50184, 53136, 56457, 58752, 66096, 66912, 70848, 75276, 79704, 88128, 89216, 100368, 106272, 112914, 132192, 133824, 141696, 150552, 159408, 169371, 176256, 200736, 212544, 225828, 264384, 267648, 301104, 318816, 338742, 401472, 425088, 451656, 528768, 602208, 637632, 677484, 802944, 903312, 1204416, 1275264, 1354968, 1806624, 2408832, 2709936, 3613248, 5419872, 7226496, 10839744, 21679488]

約数ペア:

[(1, 21679488), (2, 10839744), (3, 7226496), (4, 5419872), (6, 3613248), (8, 2709936), (9, 2408832), (12, 1806624), (16, 1354968), (17, 1275264), (18, 1204416), (24, 903312), (27, 802944), (32, 677484), (34, 637632), (36, 602208), (41, 528768), (48, 451656), (51, 425088), (54, 401472), (64, 338742), (68, 318816), (72, 301104), (81, 267648), (82, 264384), (96, 225828), (102, 212544), (108, 200736), (123, 176256), (128, 169371), (136, 159408), (144, 150552), (153, 141696), (162, 133824), (164, 132192), (192, 112914), (204, 106272), (216, 100368), (243, 89216), (246, 88128), (272, 79704), (288, 75276), (306, 70848), (324, 66912), (328, 66096), (369, 58752), (384, 56457), (408, 53136), (432, 50184), (459, 47232), (486, 44608), (492, 44064), (544, 39852), (576, 37638), (612, 35424), (648, 33456), (656, 33048), (697, 31104), (738, 29376), (816, 26568), (864, 25092), (918, 23616), (972, 22304), (984, 22032), (1088, 19926), (1107, 19584), (1152, 18819), (1224, 17712), (1296, 16728), (1312, 16524), (1377, 15744), (1394, 15552), (1476, 14688), (1632, 13284), (1728, 12546), (1836, 11808), (1944, 11152), (1968, 11016), (2091, 10368), (2176, 9963), (2214, 9792), (2448, 8856), (2592, 8364), (2624, 8262), (2754, 7872), (2788, 7776), (2952, 7344), (3264, 6642), (3321, 6528), (3456, 6273), (3672, 5904), (3888, 5576), (3936, 5508), (4131, 5248), (4182, 5184), (4428, 4896)]