21701878

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{13513}}^1$

素因数の和:13599

約数の個数: 16

約数和(自身を含む): 36001296

約数和(自身を除く): 14299418

約数列:

[1, 2, 11, 22, 73, 146, 803, 1606, 13513, 27026, 148643, 297286, 986449, 1972898, 10850939, 21701878]

約数ペア:

[(1, 21701878), (2, 10850939), (11, 1972898), (22, 986449), (73, 297286), (146, 148643), (803, 27026), (1606, 13513)]