21210486

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{321371}}^1$

素因数の和:321387

約数の個数: 16

約数和(自身を含む): 46277568

約数和(自身を除く): 25067082

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 321371, 642742, 964113, 1928226, 3535081, 7070162, 10605243, 21210486]

約数ペア:

[(1, 21210486), (2, 10605243), (3, 7070162), (6, 3535081), (11, 1928226), (22, 964113), (33, 642742), (66, 321371)]