21444968

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{65381}}^1$

素因数の和:65428

約数の個数: 16

約数和(自身を含む): 41190660

約数和(自身を除く): 19745692

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 65381, 130762, 261524, 523048, 2680621, 5361242, 10722484, 21444968]

約数ペア:

[(1, 21444968), (2, 10722484), (4, 5361242), (8, 2680621), (41, 523048), (82, 261524), (164, 130762), (328, 65381)]