21279048

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5507}}^1$

素因数の和:5546

約数の個数: 64

約数和(自身を含む): 63452160

約数和(自身を除く): 42173112

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 42, 46, 56, 69, 84, 92, 138, 161, 168, 184, 276, 322, 483, 552, 644, 966, 1288, 1932, 3864, 5507, 11014, 16521, 22028, 33042, 38549, 44056, 66084, 77098, 115647, 126661, 132168, 154196, 231294, 253322, 308392, 379983, 462588, 506644, 759966, 886627, 925176, 1013288, 1519932, 1773254, 2659881, 3039864, 3546508, 5319762, 7093016, 10639524, 21279048]

約数ペア:

[(1, 21279048), (2, 10639524), (3, 7093016), (4, 5319762), (6, 3546508), (7, 3039864), (8, 2659881), (12, 1773254), (14, 1519932), (21, 1013288), (23, 925176), (24, 886627), (28, 759966), (42, 506644), (46, 462588), (56, 379983), (69, 308392), (84, 253322), (92, 231294), (138, 154196), (161, 132168), (168, 126661), (184, 115647), (276, 77098), (322, 66084), (483, 44056), (552, 38549), (644, 33042), (966, 22028), (1288, 16521), (1932, 11014), (3864, 5507)]