21000916524

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:357

約数の個数: 288

約数和(自身を含む): 61386232320

約数和(自身を除く): 40385315796

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 53, 57, 73, 76, 84, 106, 114, 133, 146, 159, 179, 212, 219, 228, 266, 292, 318, 358, 361, 371, 399, 438, 511, 532, 537, 636, 716, 722, 742, 798, 876, 1007, 1022, 1074, 1083, 1113, 1253, 1387, 1444, 1484, 1533, 1596, 2014, 2044, 2148, 2166, 2226, 2506, 2527, 2774, 3021, 3066, 3401, 3759, 3869, 4028, 4161, 4332, 4452, 5012, 5054, 5548, 6042, 6132, 6802, 7049, 7518, 7581, 7738, 8322, 9487, 9709, 10108, 10203, 11607, 12084, 13067, 13604, 14098, 15036, 15162, 15476, 16644, 18974, 19133, 19418, 20406, 21147, 23214, 23807, 26134, 26353, 27083, 28196, 28461, 29127, 30324, 37948, 38266, 38836, 39201, 40812, 42294, 46428, 47614, 52268, 52706, 54166, 56922, 57399, 58254, 64619, 66409, 71421, 73511, 76532, 78402, 79059, 81249, 84588, 91469, 95228, 105412, 108332, 113844, 114798, 116508, 129238, 132818, 133931, 142842, 147022, 156804, 158118, 162498, 180253, 182938, 184471, 193857, 199227, 220533, 229596, 248273, 258476, 265636, 267862, 274407, 285684, 294044, 316236, 324996, 360506, 365876, 368942, 387714, 398454, 401793, 441066, 452333, 496546, 514577, 535724, 540759, 548814, 553413, 692551, 721012, 737884, 744819, 775428, 796908, 803586, 882132, 904666, 993092, 1029154, 1081518, 1097628, 1106826, 1261771, 1356999, 1385102, 1396709, 1489638, 1543731, 1607172, 1737911, 1809332, 2058308, 2077653, 2163036, 2213652, 2523542, 2713998, 2770204, 2793418, 2979276, 3087462, 3424807, 3475822, 3785313, 4155306, 4190127, 4717187, 4847857, 5047084, 5213733, 5427996, 5586836, 6174924, 6849614, 6951644, 7570626, 8310612, 8380254, 9434374, 9695714, 9776963, 10274421, 10427466, 13158469, 13699228, 14151561, 14543571, 15141252, 16760508, 18868748, 19391428, 19553926, 20548842, 20854932, 23973649, 26316938, 28303122, 29087142, 29330889, 33020309, 39107852, 39475407, 41097684, 47947298, 52633876, 56606244, 58174284, 58661778, 66040618, 71920947, 78950814, 92109283, 95894596, 99060927, 117323556, 132081236, 143841894, 157901628, 184218566, 198121854, 250010911, 276327849, 287683788, 368437132, 396243708, 500021822, 552655698, 750032733, 1000043644, 1105311396, 1500065466, 1750076377, 3000130932, 3500152754, 5250229131, 7000305508, 10500458262, 21000916524]

約数ペア:

[(1, 21000916524), (2, 10500458262), (3, 7000305508), (4, 5250229131), (6, 3500152754), (7, 3000130932), (12, 1750076377), (14, 1500065466), (19, 1105311396), (21, 1000043644), (28, 750032733), (38, 552655698), (42, 500021822), (53, 396243708), (57, 368437132), (73, 287683788), (76, 276327849), (84, 250010911), (106, 198121854), (114, 184218566), (133, 157901628), (146, 143841894), (159, 132081236), (179, 117323556), (212, 99060927), (219, 95894596), (228, 92109283), (266, 78950814), (292, 71920947), (318, 66040618), (358, 58661778), (361, 58174284), (371, 56606244), (399, 52633876), (438, 47947298), (511, 41097684), (532, 39475407), (537, 39107852), (636, 33020309), (716, 29330889), (722, 29087142), (742, 28303122), (798, 26316938), (876, 23973649), (1007, 20854932), (1022, 20548842), (1074, 19553926), (1083, 19391428), (1113, 18868748), (1253, 16760508), (1387, 15141252), (1444, 14543571), (1484, 14151561), (1533, 13699228), (1596, 13158469), (2014, 10427466), (2044, 10274421), (2148, 9776963), (2166, 9695714), (2226, 9434374), (2506, 8380254), (2527, 8310612), (2774, 7570626), (3021, 6951644), (3066, 6849614), (3401, 6174924), (3759, 5586836), (3869, 5427996), (4028, 5213733), (4161, 5047084), (4332, 4847857), (4452, 4717187), (5012, 4190127), (5054, 4155306), (5548, 3785313), (6042, 3475822), (6132, 3424807), (6802, 3087462), (7049, 2979276), (7518, 2793418), (7581, 2770204), (7738, 2713998), (8322, 2523542), (9487, 2213652), (9709, 2163036), (10108, 2077653), (10203, 2058308), (11607, 1809332), (12084, 1737911), (13067, 1607172), (13604, 1543731), (14098, 1489638), (15036, 1396709), (15162, 1385102), (15476, 1356999), (16644, 1261771), (18974, 1106826), (19133, 1097628), (19418, 1081518), (20406, 1029154), (21147, 993092), (23214, 904666), (23807, 882132), (26134, 803586), (26353, 796908), (27083, 775428), (28196, 744819), (28461, 737884), (29127, 721012), (30324, 692551), (37948, 553413), (38266, 548814), (38836, 540759), (39201, 535724), (40812, 514577), (42294, 496546), (46428, 452333), (47614, 441066), (52268, 401793), (52706, 398454), (54166, 387714), (56922, 368942), (57399, 365876), (58254, 360506), (64619, 324996), (66409, 316236), (71421, 294044), (73511, 285684), (76532, 274407), (78402, 267862), (79059, 265636), (81249, 258476), (84588, 248273), (91469, 229596), (95228, 220533), (105412, 199227), (108332, 193857), (113844, 184471), (114798, 182938), (116508, 180253), (129238, 162498), (132818, 158118), (133931, 156804), (142842, 147022)]