21429903

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{2311}}^1$

素因数の和:2606

約数の個数: 16

約数和(自身を含む): 31295232

約数和(自身を除く): 9865329

約数列:

[1, 3, 11, 33, 281, 843, 2311, 3091, 6933, 9273, 25421, 76263, 649391, 1948173, 7143301, 21429903]

約数ペア:

[(1, 21429903), (3, 7143301), (11, 1948173), (33, 649391), (281, 76263), (843, 25421), (2311, 9273), (3091, 6933)]