21298029

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{1543}}^1$

素因数の和:1696

約数の個数: 16

約数和(自身を含む): 29348352

約数和(自身を除く): 8050323

約数列:

[1, 3, 43, 107, 129, 321, 1543, 4601, 4629, 13803, 66349, 165101, 199047, 495303, 7099343, 21298029]

約数ペア:

[(1, 21298029), (3, 7099343), (43, 495303), (107, 199047), (129, 165101), (321, 66349), (1543, 13803), (4601, 4629)]