21000339339

素因数分解:

$3^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{2967407}}^1$

素因数の和:2967754

約数の個数: 16

約数和(自身を含む): 32095484928

約数和(自身を除く): 11095145589

約数列:

[1, 3, 7, 21, 337, 1011, 2359, 7077, 2967407, 8902221, 20771849, 62315547, 1000016159, 3000048477, 7000113113, 21000339339]

約数ペア:

[(1, 21000339339), (3, 7000113113), (7, 3000048477), (21, 1000016159), (337, 62315547), (1011, 20771849), (2359, 8902221), (7077, 2967407)]