21843550

素因数分解:

$2^1\times 5^2\times {\mathrm{436871}}^1$

素因数の和:436883

約数の個数: 12

約数和(自身を含む): 40629096

約数和(自身を除く): 18785546

約数列:

[1, 2, 5, 10, 25, 50, 436871, 873742, 2184355, 4368710, 10921775, 21843550]

約数ペア:

[(1, 21843550), (2, 10921775), (5, 4368710), (10, 2184355), (25, 873742), (50, 436871)]