21000886214

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{136369391}}^1$

素因数の和:136369411

約数の個数: 16

約数和(自身を含む): 39274384896

約数和(自身を除く): 18273498682

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 136369391, 272738782, 954585737, 1500063301, 1909171474, 3000126602, 10500443107, 21000886214]

約数ペア:

[(1, 21000886214), (2, 10500443107), (7, 3000126602), (11, 1909171474), (14, 1500063301), (22, 954585737), (77, 272738782), (154, 136369391)]