21072972

素因数分解:

$2^2\times 3^1\times {\mathrm{257}}^1\times {\mathrm{6833}}^1$

素因数の和:7097

約数の個数: 24

約数和(自身を含む): 49368816

約数和(自身を除く): 28295844

約数列:

[1, 2, 3, 4, 6, 12, 257, 514, 771, 1028, 1542, 3084, 6833, 13666, 20499, 27332, 40998, 81996, 1756081, 3512162, 5268243, 7024324, 10536486, 21072972]

約数ペア:

[(1, 21072972), (2, 10536486), (3, 7024324), (4, 5268243), (6, 3512162), (12, 1756081), (257, 81996), (514, 40998), (771, 27332), (1028, 20499), (1542, 13666), (3084, 6833)]