21839270

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{50789}}^1$

素因数の和:50839

約数の個数: 16

約数和(自身を含む): 40225680

約数和(自身を除く): 18386410

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 50789, 101578, 253945, 507890, 2183927, 4367854, 10919635, 21839270]

約数ペア:

[(1, 21839270), (2, 10919635), (5, 4367854), (10, 2183927), (43, 507890), (86, 253945), (215, 101578), (430, 50789)]