21094816

素因数分解:

$2^5\times {\mathrm{67}}^1\times {\mathrm{9839}}^1$

素因数の和:9916

約数の個数: 24

約数和(自身を含む): 42154560

約数和(自身を除く): 21059744

約数列:

[1, 2, 4, 8, 16, 32, 67, 134, 268, 536, 1072, 2144, 9839, 19678, 39356, 78712, 157424, 314848, 659213, 1318426, 2636852, 5273704, 10547408, 21094816]

約数ペア:

[(1, 21094816), (2, 10547408), (4, 5273704), (8, 2636852), (16, 1318426), (32, 659213), (67, 314848), (134, 157424), (268, 78712), (536, 39356), (1072, 19678), (2144, 9839)]