21444148

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{11887}}^1$

素因数の和:11943

約数の個数: 24

約数和(自身を含む): 41940864

約数和(自身を除く): 20496716

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 451, 902, 1804, 11887, 23774, 47548, 130757, 261514, 487367, 523028, 974734, 1949468, 5361037, 10722074, 21444148]

約数ペア:

[(1, 21444148), (2, 10722074), (4, 5361037), (11, 1949468), (22, 974734), (41, 523028), (44, 487367), (82, 261514), (164, 130757), (451, 47548), (902, 23774), (1804, 11887)]