21014154

素因数分解:

$2^1\times 3^6\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:127

約数の個数: 112

約数和(自身を含む): 56661120

約数和(自身を除く): 35646966

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 29, 42, 54, 58, 63, 71, 81, 87, 126, 142, 162, 174, 189, 203, 213, 243, 261, 378, 406, 426, 486, 497, 522, 567, 609, 639, 729, 783, 994, 1134, 1218, 1278, 1458, 1491, 1566, 1701, 1827, 1917, 2059, 2349, 2982, 3402, 3654, 3834, 4118, 4473, 4698, 5103, 5481, 5751, 6177, 7047, 8946, 10206, 10962, 11502, 12354, 13419, 14094, 14413, 16443, 17253, 18531, 21141, 26838, 28826, 32886, 34506, 37062, 40257, 42282, 43239, 49329, 51759, 55593, 80514, 86478, 98658, 103518, 111186, 120771, 129717, 147987, 166779, 241542, 259434, 295974, 333558, 362313, 389151, 500337, 724626, 778302, 1000674, 1167453, 1501011, 2334906, 3002022, 3502359, 7004718, 10507077, 21014154]

約数ペア:

[(1, 21014154), (2, 10507077), (3, 7004718), (6, 3502359), (7, 3002022), (9, 2334906), (14, 1501011), (18, 1167453), (21, 1000674), (27, 778302), (29, 724626), (42, 500337), (54, 389151), (58, 362313), (63, 333558), (71, 295974), (81, 259434), (87, 241542), (126, 166779), (142, 147987), (162, 129717), (174, 120771), (189, 111186), (203, 103518), (213, 98658), (243, 86478), (261, 80514), (378, 55593), (406, 51759), (426, 49329), (486, 43239), (497, 42282), (522, 40257), (567, 37062), (609, 34506), (639, 32886), (729, 28826), (783, 26838), (994, 21141), (1134, 18531), (1218, 17253), (1278, 16443), (1458, 14413), (1491, 14094), (1566, 13419), (1701, 12354), (1827, 11502), (1917, 10962), (2059, 10206), (2349, 8946), (2982, 7047), (3402, 6177), (3654, 5751), (3834, 5481), (4118, 5103), (4473, 4698)]