21884248

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{63617}}^1$

素因数の和:63666

約数の個数: 16

約数和(自身を含む): 41987880

約数和(自身を除く): 20103632

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 63617, 127234, 254468, 508936, 2735531, 5471062, 10942124, 21884248]

約数ペア:

[(1, 21884248), (2, 10942124), (4, 5471062), (8, 2735531), (43, 508936), (86, 254468), (172, 127234), (344, 63617)]