21492956254

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139564651}}^1$

素因数の和:139564671

約数の個数: 16

約数和(自身を含む): 40194619776

約数和(自身を除く): 18701663522

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 139564651, 279129302, 976952557, 1535211161, 1953905114, 3070422322, 10746478127, 21492956254]

約数ペア:

[(1, 21492956254), (2, 10746478127), (7, 3070422322), (11, 1953905114), (14, 1535211161), (22, 976952557), (77, 279129302), (154, 139564651)]