21323571

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{3517}}^1$

素因数の和:3610

約数の個数: 16

約数和(自身を含む): 29720064

約数和(自身を除く): 8396493

約数列:

[1, 3, 43, 47, 129, 141, 2021, 3517, 6063, 10551, 151231, 165299, 453693, 495897, 7107857, 21323571]

約数ペア:

[(1, 21323571), (3, 7107857), (43, 495897), (47, 453693), (129, 165299), (141, 151231), (2021, 10551), (3517, 6063)]