21275176

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6599}}^1$

素因数の和:6649

約数の個数: 32

約数和(自身を含む): 44352000

約数和(自身を除く): 23076824

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 6599, 13198, 26396, 52792, 85787, 171574, 204569, 343148, 409138, 686296, 818276, 1636552, 2659397, 5318794, 10637588, 21275176]

約数ペア:

[(1, 21275176), (2, 10637588), (4, 5318794), (8, 2659397), (13, 1636552), (26, 818276), (31, 686296), (52, 409138), (62, 343148), (104, 204569), (124, 171574), (248, 85787), (403, 52792), (806, 26396), (1612, 13198), (3224, 6599)]