21560131

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{823}}^1$

素因数の和:930

約数の個数: 16

約数和(自身を含む): 24205824

約数和(自身を除く): 2645693

約数列:

[1, 17, 23, 67, 391, 823, 1139, 1541, 13991, 18929, 26197, 55141, 321793, 937397, 1268243, 21560131]

約数ペア:

[(1, 21560131), (17, 1268243), (23, 937397), (67, 321793), (391, 55141), (823, 26197), (1139, 18929), (1541, 13991)]