21352804

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{5003}}^1$

素因数の和:5115

約数の個数: 24

約数和(自身を含む): 41192928

約数和(自身を除く): 19840124

約数列:

[1, 2, 4, 11, 22, 44, 97, 194, 388, 1067, 2134, 4268, 5003, 10006, 20012, 55033, 110066, 220132, 485291, 970582, 1941164, 5338201, 10676402, 21352804]

約数ペア:

[(1, 21352804), (2, 10676402), (4, 5338201), (11, 1941164), (22, 970582), (44, 485291), (97, 220132), (194, 110066), (388, 55033), (1067, 20012), (2134, 10006), (4268, 5003)]