21048220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{45757}}^1$

素因数の和:45789

約数の個数: 24

約数和(自身を含む): 46124064

約数和(自身を除く): 25075844

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 45757, 91514, 183028, 228785, 457570, 915140, 1052411, 2104822, 4209644, 5262055, 10524110, 21048220]

約数ペア:

[(1, 21048220), (2, 10524110), (4, 5262055), (5, 4209644), (10, 2104822), (20, 1052411), (23, 915140), (46, 457570), (92, 228785), (115, 183028), (230, 91514), (460, 45757)]