21193700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19267}}^1$

素因数の和:19292

約数の個数: 36

約数和(自身を含む): 50173872

約数和(自身を除く): 28980172

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 19267, 38534, 77068, 96335, 192670, 211937, 385340, 423874, 481675, 847748, 963350, 1059685, 1926700, 2119370, 4238740, 5298425, 10596850, 21193700]

約数ペア:

[(1, 21193700), (2, 10596850), (4, 5298425), (5, 4238740), (10, 2119370), (11, 1926700), (20, 1059685), (22, 963350), (25, 847748), (44, 481675), (50, 423874), (55, 385340), (100, 211937), (110, 192670), (220, 96335), (275, 77068), (550, 38534), (1100, 19267)]