21401303

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{6779}}^1$

素因数の和:6838

約数の個数: 16

約数和(自身を含む): 27336960

約数和(自身を除く): 5935657

約数列:

[1, 7, 11, 41, 77, 287, 451, 3157, 6779, 47453, 74569, 277939, 521983, 1945573, 3057329, 21401303]

約数ペア:

[(1, 21401303), (7, 3057329), (11, 1945573), (41, 521983), (77, 277939), (287, 74569), (451, 47453), (3157, 6779)]