21330656

素因数分解:

$2^5\times {\mathrm{67}}^1\times {\mathrm{9949}}^1$

素因数の和:10026

約数の個数: 24

約数和(自身を含む): 42625800

約数和(自身を除く): 21295144

約数列:

[1, 2, 4, 8, 16, 32, 67, 134, 268, 536, 1072, 2144, 9949, 19898, 39796, 79592, 159184, 318368, 666583, 1333166, 2666332, 5332664, 10665328, 21330656]

約数ペア:

[(1, 21330656), (2, 10665328), (4, 5332664), (8, 2666332), (16, 1333166), (32, 666583), (67, 318368), (134, 159184), (268, 79592), (536, 39796), (1072, 19898), (2144, 9949)]