21683794

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{3637}}^1$

素因数の和:3921

約数の個数: 16

約数和(自身を含む): 35623296

約数和(自身を除く): 13939502

約数列:

[1, 2, 11, 22, 271, 542, 2981, 3637, 5962, 7274, 40007, 80014, 985627, 1971254, 10841897, 21683794]

約数ペア:

[(1, 21683794), (2, 10841897), (11, 1971254), (22, 985627), (271, 80014), (542, 40007), (2981, 7274), (3637, 5962)]