21129450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{140863}}^1$

素因数の和:140878

約数の個数: 24

約数和(自身を含む): 52401408

約数和(自身を除く): 31271958

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 140863, 281726, 422589, 704315, 845178, 1408630, 2112945, 3521575, 4225890, 7043150, 10564725, 21129450]

約数ペア:

[(1, 21129450), (2, 10564725), (3, 7043150), (5, 4225890), (6, 3521575), (10, 2112945), (15, 1408630), (25, 845178), (30, 704315), (50, 422589), (75, 281726), (150, 140863)]