21440912

素因数分解:

$2^4\times {\mathrm{541}}^1\times {\mathrm{2477}}^1$

素因数の和:3026

約数の個数: 20

約数和(自身を含む): 41635356

約数和(自身を除く): 20194444

約数列:

[1, 2, 4, 8, 16, 541, 1082, 2164, 2477, 4328, 4954, 8656, 9908, 19816, 39632, 1340057, 2680114, 5360228, 10720456, 21440912]

約数ペア:

[(1, 21440912), (2, 10720456), (4, 5360228), (8, 2680114), (16, 1340057), (541, 39632), (1082, 19816), (2164, 9908), (2477, 8656), (4328, 4954)]