21339340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{96997}}^1$

素因数の和:97017

約数の個数: 24

約数和(自身を含む): 48886992

約数和(自身を除く): 27547652

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 96997, 193994, 387988, 484985, 969970, 1066967, 1939940, 2133934, 4267868, 5334835, 10669670, 21339340]

約数ペア:

[(1, 21339340), (2, 10669670), (4, 5334835), (5, 4267868), (10, 2133934), (11, 1939940), (20, 1066967), (22, 969970), (44, 484985), (55, 387988), (110, 193994), (220, 96997)]