21471950

素因数分解:

$2^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{9137}}^1$

素因数の和:9196

約数の個数: 24

約数和(自身を含む): 40792032

約数和(自身を除く): 19320082

約数列:

[1, 2, 5, 10, 25, 47, 50, 94, 235, 470, 1175, 2350, 9137, 18274, 45685, 91370, 228425, 429439, 456850, 858878, 2147195, 4294390, 10735975, 21471950]

約数ペア:

[(1, 21471950), (2, 10735975), (5, 4294390), (10, 2147195), (25, 858878), (47, 456850), (50, 429439), (94, 228425), (235, 91370), (470, 45685), (1175, 18274), (2350, 9137)]