21541373

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1873}}^1$

素因数の和:1964

約数の個数: 16

約数和(自身を含む): 25906176

約数和(自身を除く): 4364803

約数列:

[1, 7, 31, 53, 217, 371, 1643, 1873, 11501, 13111, 58063, 99269, 406441, 694883, 3077339, 21541373]

約数ペア:

[(1, 21541373), (7, 3077339), (31, 694883), (53, 406441), (217, 99269), (371, 58063), (1643, 13111), (1873, 11501)]