21005182

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{2381}}^1$

素因数の和:2795

約数の個数: 16

約数和(自身を含む): 34472304

約数和(自身を除く): 13467122

約数列:

[1, 2, 11, 22, 401, 802, 2381, 4411, 4762, 8822, 26191, 52382, 954781, 1909562, 10502591, 21005182]

約数ペア:

[(1, 21005182), (2, 10502591), (11, 1909562), (22, 954781), (401, 52382), (802, 26191), (2381, 8822), (4411, 4762)]