21168336

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{251}}^2$

素因数の和:520

約数の個数: 60

約数和(自身を含む): 62746976

約数和(自身を除く): 41578640

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 251, 336, 502, 753, 1004, 1506, 1757, 2008, 3012, 3514, 4016, 5271, 6024, 7028, 10542, 12048, 14056, 21084, 28112, 42168, 63001, 84336, 126002, 189003, 252004, 378006, 441007, 504008, 756012, 882014, 1008016, 1323021, 1512024, 1764028, 2646042, 3024048, 3528056, 5292084, 7056112, 10584168, 21168336]

約数ペア:

[(1, 21168336), (2, 10584168), (3, 7056112), (4, 5292084), (6, 3528056), (7, 3024048), (8, 2646042), (12, 1764028), (14, 1512024), (16, 1323021), (21, 1008016), (24, 882014), (28, 756012), (42, 504008), (48, 441007), (56, 378006), (84, 252004), (112, 189003), (168, 126002), (251, 84336), (336, 63001), (502, 42168), (753, 28112), (1004, 21084), (1506, 14056), (1757, 12048), (2008, 10542), (3012, 7028), (3514, 6024), (4016, 5271)]