21609971306

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{140324489}}^1$

素因数の和:140324509

約数の個数: 16

約数和(自身を含む): 40413453120

約数和(自身を除く): 18803481814

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 140324489, 280648978, 982271423, 1543569379, 1964542846, 3087138758, 10804985653, 21609971306]

約数ペア:

[(1, 21609971306), (2, 10804985653), (7, 3087138758), (11, 1964542846), (14, 1543569379), (22, 982271423), (77, 280648978), (154, 140324489)]