21046218

素因数分解:

$2^1\times 3^1\times {\mathrm{743}}^1\times {\mathrm{4721}}^1$

素因数の和:5469

約数の個数: 16

約数和(自身を含む): 42158016

約数和(自身を除く): 21111798

約数列:

[1, 2, 3, 6, 743, 1486, 2229, 4458, 4721, 9442, 14163, 28326, 3507703, 7015406, 10523109, 21046218]

約数ペア:

[(1, 21046218), (2, 10523109), (3, 7015406), (6, 3507703), (743, 28326), (1486, 14163), (2229, 9442), (4458, 4721)]