21683752

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{66109}}^1$

素因数の和:66156

約数の個数: 16

約数和(自身を含む): 41649300

約数和(自身を除く): 19965548

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 66109, 132218, 264436, 528872, 2710469, 5420938, 10841876, 21683752]

約数ペア:

[(1, 21683752), (2, 10841876), (4, 5420938), (8, 2710469), (41, 528872), (82, 264436), (164, 132218), (328, 66109)]