21043454

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{1429}}^1$

素因数の和:1667

約数の個数: 16

約数和(自身を含む): 32604000

約数和(自身を除く): 11560546

約数列:

[1, 2, 37, 74, 199, 398, 1429, 2858, 7363, 14726, 52873, 105746, 284371, 568742, 10521727, 21043454]

約数ペア:

[(1, 21043454), (2, 10521727), (37, 568742), (74, 284371), (199, 105746), (398, 52873), (1429, 14726), (2858, 7363)]