21516753

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{10753}}^1$

素因数の和:10808

約数の個数: 16

約数和(自身を含む): 30971520

約数和(自身を除く): 9454767

約数列:

[1, 3, 23, 29, 69, 87, 667, 2001, 10753, 32259, 247319, 311837, 741957, 935511, 7172251, 21516753]

約数ペア:

[(1, 21516753), (3, 7172251), (23, 935511), (29, 741957), (69, 311837), (87, 247319), (667, 32259), (2001, 10753)]