21050414

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{136691}}^1$

素因数の和:136711

約数の個数: 16

約数和(自身を含む): 39367296

約数和(自身を除く): 18316882

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 136691, 273382, 956837, 1503601, 1913674, 3007202, 10525207, 21050414]

約数ペア:

[(1, 21050414), (2, 10525207), (7, 3007202), (11, 1913674), (14, 1503601), (22, 956837), (77, 273382), (154, 136691)]