21673176

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:189

約数の個数: 128

約数和(自身を含む): 66355200

約数和(自身を除く): 44682024

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 42, 46, 56, 69, 71, 79, 84, 92, 138, 142, 158, 161, 168, 184, 213, 237, 276, 284, 316, 322, 426, 474, 483, 497, 552, 553, 568, 632, 644, 852, 948, 966, 994, 1106, 1288, 1491, 1633, 1659, 1704, 1817, 1896, 1932, 1988, 2212, 2982, 3266, 3318, 3634, 3864, 3976, 4424, 4899, 5451, 5609, 5964, 6532, 6636, 7268, 9798, 10902, 11218, 11431, 11928, 12719, 13064, 13272, 14536, 16827, 19596, 21804, 22436, 22862, 25438, 33654, 34293, 38157, 39192, 39263, 43608, 44872, 45724, 50876, 67308, 68586, 76314, 78526, 91448, 101752, 117789, 129007, 134616, 137172, 152628, 157052, 235578, 258014, 274344, 305256, 314104, 387021, 471156, 516028, 774042, 903049, 942312, 1032056, 1548084, 1806098, 2709147, 3096168, 3612196, 5418294, 7224392, 10836588, 21673176]

約数ペア:

[(1, 21673176), (2, 10836588), (3, 7224392), (4, 5418294), (6, 3612196), (7, 3096168), (8, 2709147), (12, 1806098), (14, 1548084), (21, 1032056), (23, 942312), (24, 903049), (28, 774042), (42, 516028), (46, 471156), (56, 387021), (69, 314104), (71, 305256), (79, 274344), (84, 258014), (92, 235578), (138, 157052), (142, 152628), (158, 137172), (161, 134616), (168, 129007), (184, 117789), (213, 101752), (237, 91448), (276, 78526), (284, 76314), (316, 68586), (322, 67308), (426, 50876), (474, 45724), (483, 44872), (497, 43608), (552, 39263), (553, 39192), (568, 38157), (632, 34293), (644, 33654), (852, 25438), (948, 22862), (966, 22436), (994, 21804), (1106, 19596), (1288, 16827), (1491, 14536), (1633, 13272), (1659, 13064), (1704, 12719), (1817, 11928), (1896, 11431), (1932, 11218), (1988, 10902), (2212, 9798), (2982, 7268), (3266, 6636), (3318, 6532), (3634, 5964), (3864, 5609), (3976, 5451), (4424, 4899)]