21375414

素因数分解:

$2^1\times 3^4\times {\mathrm{131947}}^1$

素因数の和:131961

約数の個数: 20

約数和(自身を含む): 47897124

約数和(自身を除く): 26521710

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 131947, 263894, 395841, 791682, 1187523, 2375046, 3562569, 7125138, 10687707, 21375414]

約数ペア:

[(1, 21375414), (2, 10687707), (3, 7125138), (6, 3562569), (9, 2375046), (18, 1187523), (27, 791682), (54, 395841), (81, 263894), (162, 131947)]