21608452803

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{60527879}}^1$

素因数の和:60527906

約数の個数: 16

約数和(自身を含む): 34864058880

約数和(自身を除く): 13255606077

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 60527879, 181583637, 423695153, 1028973943, 1271085459, 3086921829, 7202817601, 21608452803]

約数ペア:

[(1, 21608452803), (3, 7202817601), (7, 3086921829), (17, 1271085459), (21, 1028973943), (51, 423695153), (119, 181583637), (357, 60527879)]