21273340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{96697}}^1$

素因数の和:96717

約数の個数: 24

約数和(自身を含む): 48735792

約数和(自身を除く): 27462452

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 96697, 193394, 386788, 483485, 966970, 1063667, 1933940, 2127334, 4254668, 5318335, 10636670, 21273340]

約数ペア:

[(1, 21273340), (2, 10636670), (4, 5318335), (5, 4254668), (10, 2127334), (11, 1933940), (20, 1063667), (22, 966970), (44, 483485), (55, 386788), (110, 193394), (220, 96697)]