21871027

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{883}}^1$

素因数の和:978

約数の個数: 16

約数和(自身を含む): 24440832

約数和(自身を除く): 2569805

約数列:

[1, 17, 31, 47, 527, 799, 883, 1457, 15011, 24769, 27373, 41501, 465341, 705517, 1286531, 21871027]

約数ペア:

[(1, 21871027), (17, 1286531), (31, 705517), (47, 465341), (527, 41501), (799, 27373), (883, 24769), (1457, 15011)]