21116408

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{91019}}^1$

素因数の和:91054

約数の個数: 16

約数和(自身を含む): 40959000

約数和(自身を除く): 19842592

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 91019, 182038, 364076, 728152, 2639551, 5279102, 10558204, 21116408]

約数ペア:

[(1, 21116408), (2, 10558204), (4, 5279102), (8, 2639551), (29, 728152), (58, 364076), (116, 182038), (232, 91019)]