21158172

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1$

素因数の和:533

約数の個数: 120

約数和(自身を含む): 66675840

約数和(自身を除く): 45517668

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 38, 42, 54, 57, 63, 76, 81, 84, 108, 114, 126, 133, 162, 171, 189, 228, 252, 266, 324, 342, 378, 399, 491, 513, 532, 567, 684, 756, 798, 982, 1026, 1134, 1197, 1473, 1539, 1596, 1964, 2052, 2268, 2394, 2946, 3078, 3437, 3591, 4419, 4788, 5892, 6156, 6874, 7182, 8838, 9329, 10311, 10773, 13257, 13748, 14364, 17676, 18658, 20622, 21546, 26514, 27987, 30933, 37316, 39771, 41244, 43092, 53028, 55974, 61866, 65303, 79542, 83961, 92799, 111948, 123732, 130606, 159084, 167922, 185598, 195909, 251883, 261212, 278397, 335844, 371196, 391818, 503766, 556794, 587727, 755649, 783636, 1007532, 1113588, 1175454, 1511298, 1763181, 2350908, 3022596, 3526362, 5289543, 7052724, 10579086, 21158172]

約数ペア:

[(1, 21158172), (2, 10579086), (3, 7052724), (4, 5289543), (6, 3526362), (7, 3022596), (9, 2350908), (12, 1763181), (14, 1511298), (18, 1175454), (19, 1113588), (21, 1007532), (27, 783636), (28, 755649), (36, 587727), (38, 556794), (42, 503766), (54, 391818), (57, 371196), (63, 335844), (76, 278397), (81, 261212), (84, 251883), (108, 195909), (114, 185598), (126, 167922), (133, 159084), (162, 130606), (171, 123732), (189, 111948), (228, 92799), (252, 83961), (266, 79542), (324, 65303), (342, 61866), (378, 55974), (399, 53028), (491, 43092), (513, 41244), (532, 39771), (567, 37316), (684, 30933), (756, 27987), (798, 26514), (982, 21546), (1026, 20622), (1134, 18658), (1197, 17676), (1473, 14364), (1539, 13748), (1596, 13257), (1964, 10773), (2052, 10311), (2268, 9329), (2394, 8838), (2946, 7182), (3078, 6874), (3437, 6156), (3591, 5892), (4419, 4788)]