21909657

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{94847}}^1$

素因数の和:94868

約数の個数: 16

約数和(自身を含む): 36421632

約数和(自身を除く): 14511975

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 94847, 284541, 663929, 1043317, 1991787, 3129951, 7303219, 21909657]

約数ペア:

[(1, 21909657), (3, 7303219), (7, 3129951), (11, 1991787), (21, 1043317), (33, 663929), (77, 284541), (231, 94847)]