21941941

素因数分解:

$7^1\times {\mathrm{19}}^3\times {\mathrm{457}}^1$

素因数の和:521

約数の個数: 16

約数和(自身を含む): 26527360

約数和(自身を除く): 4585419

約数列:

[1, 7, 19, 133, 361, 457, 2527, 3199, 6859, 8683, 48013, 60781, 164977, 1154839, 3134563, 21941941]

約数ペア:

[(1, 21941941), (7, 3134563), (19, 1154839), (133, 164977), (361, 60781), (457, 48013), (2527, 8683), (3199, 6859)]