21084029

素因数分解:

${\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{173}}^1$

素因数の和:364

約数の個数: 16

約数和(自身を含む): 23001408

約数和(自身を除く): 1917379

約数列:

[1, 17, 67, 107, 173, 1139, 1819, 2941, 7169, 11591, 18511, 121873, 197047, 314687, 1240237, 21084029]

約数ペア:

[(1, 21084029), (17, 1240237), (67, 314687), (107, 197047), (173, 121873), (1139, 18511), (1819, 11591), (2941, 7169)]