21841850

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{10159}}^1$

素因数の和:10214

約数の個数: 24

約数和(自身を含む): 41574720

約数和(自身を除く): 19732870

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 215, 430, 1075, 2150, 10159, 20318, 50795, 101590, 253975, 436837, 507950, 873674, 2184185, 4368370, 10920925, 21841850]

約数ペア:

[(1, 21841850), (2, 10920925), (5, 4368370), (10, 2184185), (25, 873674), (43, 507950), (50, 436837), (86, 253975), (215, 101590), (430, 50795), (1075, 20318), (2150, 10159)]