21297350

素因数分解:

$2^1\times 5^2\times {\mathrm{251}}^1\times {\mathrm{1697}}^1$

素因数の和:1960

約数の個数: 24

約数和(自身を含む): 39794328

約数和(自身を除く): 18496978

約数列:

[1, 2, 5, 10, 25, 50, 251, 502, 1255, 1697, 2510, 3394, 6275, 8485, 12550, 16970, 42425, 84850, 425947, 851894, 2129735, 4259470, 10648675, 21297350]

約数ペア:

[(1, 21297350), (2, 10648675), (5, 4259470), (10, 2129735), (25, 851894), (50, 425947), (251, 84850), (502, 42425), (1255, 16970), (1697, 12550), (2510, 8485), (3394, 6275)]