21165933

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{3491}}^1$

素因数の和:3584

約数の個数: 16

約数和(自身を含む): 29500416

約数和(自身を除く): 8334483

約数列:

[1, 3, 43, 47, 129, 141, 2021, 3491, 6063, 10473, 150113, 164077, 450339, 492231, 7055311, 21165933]

約数ペア:

[(1, 21165933), (3, 7055311), (43, 492231), (47, 450339), (129, 164077), (141, 150113), (2021, 10473), (3491, 6063)]