21767627

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{607}}^1$

素因数の和:770

約数の個数: 16

約数和(自身を含む): 25681920

約数和(自身を除く): 3914293

約数列:

[1, 7, 47, 109, 329, 607, 763, 4249, 5123, 28529, 35861, 66163, 199703, 463141, 3109661, 21767627]

約数ペア:

[(1, 21767627), (7, 3109661), (47, 463141), (109, 199703), (329, 66163), (607, 35861), (763, 28529), (4249, 5123)]