21735460

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47251}}^1$

素因数の和:47283

約数の個数: 24

約数和(自身を含む): 47630016

約数和(自身を除く): 25894556

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 47251, 94502, 189004, 236255, 472510, 945020, 1086773, 2173546, 4347092, 5433865, 10867730, 21735460]

約数ペア:

[(1, 21735460), (2, 10867730), (4, 5433865), (5, 4347092), (10, 2173546), (20, 1086773), (23, 945020), (46, 472510), (92, 236255), (115, 189004), (230, 94502), (460, 47251)]