21321700

素因数分解:

$2^2\times 5^2\times {\mathrm{213217}}^1$

素因数の和:213231

約数の個数: 18

約数和(自身を含む): 46268306

約数和(自身を除く): 24946606

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 213217, 426434, 852868, 1066085, 2132170, 4264340, 5330425, 10660850, 21321700]

約数ペア:

[(1, 21321700), (2, 10660850), (4, 5330425), (5, 4264340), (10, 2132170), (20, 1066085), (25, 852868), (50, 426434), (100, 213217)]