21400764

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:120

約数の個数: 192

約数和(自身を含む): 69672960

約数和(自身を除く): 48272196

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 19, 21, 22, 23, 28, 33, 38, 42, 44, 46, 53, 57, 66, 69, 76, 77, 84, 92, 106, 114, 132, 133, 138, 154, 159, 161, 209, 212, 228, 231, 253, 266, 276, 308, 318, 322, 371, 399, 418, 437, 462, 483, 506, 532, 583, 627, 636, 644, 742, 759, 798, 836, 874, 924, 966, 1007, 1012, 1113, 1166, 1219, 1254, 1311, 1463, 1484, 1518, 1596, 1748, 1749, 1771, 1932, 2014, 2226, 2332, 2438, 2508, 2622, 2926, 3021, 3036, 3059, 3498, 3542, 3657, 4028, 4081, 4389, 4452, 4807, 4876, 5244, 5313, 5852, 6042, 6118, 6996, 7049, 7084, 7314, 8162, 8533, 8778, 9177, 9614, 10626, 11077, 12084, 12236, 12243, 13409, 14098, 14421, 14628, 16324, 17066, 17556, 18354, 19228, 21147, 21252, 22154, 23161, 24486, 25599, 26818, 28196, 28842, 33231, 33649, 34132, 36708, 40227, 42294, 44308, 46322, 48972, 51198, 53636, 57684, 66462, 67298, 69483, 77539, 80454, 84588, 92644, 93863, 100947, 102396, 132924, 134596, 138966, 155078, 160908, 162127, 187726, 201894, 232617, 254771, 277932, 281589, 310156, 324254, 375452, 403788, 465234, 486381, 509542, 563178, 648508, 764313, 930468, 972762, 1019084, 1126356, 1528626, 1783397, 1945524, 3057252, 3566794, 5350191, 7133588, 10700382, 21400764]

約数ペア:

[(1, 21400764), (2, 10700382), (3, 7133588), (4, 5350191), (6, 3566794), (7, 3057252), (11, 1945524), (12, 1783397), (14, 1528626), (19, 1126356), (21, 1019084), (22, 972762), (23, 930468), (28, 764313), (33, 648508), (38, 563178), (42, 509542), (44, 486381), (46, 465234), (53, 403788), (57, 375452), (66, 324254), (69, 310156), (76, 281589), (77, 277932), (84, 254771), (92, 232617), (106, 201894), (114, 187726), (132, 162127), (133, 160908), (138, 155078), (154, 138966), (159, 134596), (161, 132924), (209, 102396), (212, 100947), (228, 93863), (231, 92644), (253, 84588), (266, 80454), (276, 77539), (308, 69483), (318, 67298), (322, 66462), (371, 57684), (399, 53636), (418, 51198), (437, 48972), (462, 46322), (483, 44308), (506, 42294), (532, 40227), (583, 36708), (627, 34132), (636, 33649), (644, 33231), (742, 28842), (759, 28196), (798, 26818), (836, 25599), (874, 24486), (924, 23161), (966, 22154), (1007, 21252), (1012, 21147), (1113, 19228), (1166, 18354), (1219, 17556), (1254, 17066), (1311, 16324), (1463, 14628), (1484, 14421), (1518, 14098), (1596, 13409), (1748, 12243), (1749, 12236), (1771, 12084), (1932, 11077), (2014, 10626), (2226, 9614), (2332, 9177), (2438, 8778), (2508, 8533), (2622, 8162), (2926, 7314), (3021, 7084), (3036, 7049), (3059, 6996), (3498, 6118), (3542, 6042), (3657, 5852), (4028, 5313), (4081, 5244), (4389, 4876), (4452, 4807)]