21669806

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{4211}}^1$

素因数の和:4327

約数の個数: 16

約数和(自身を含む): 33965568

約数和(自身を除く): 12295762

約数列:

[1, 2, 31, 62, 83, 166, 2573, 4211, 5146, 8422, 130541, 261082, 349513, 699026, 10834903, 21669806]

約数ペア:

[(1, 21669806), (2, 10834903), (31, 699026), (62, 349513), (83, 261082), (166, 130541), (2573, 8422), (4211, 5146)]