21471026

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{15271}}^1$

素因数の和:15329

約数の個数: 16

約数和(自身を含む): 34820160

約数和(自身を除く): 13349134

約数列:

[1, 2, 19, 37, 38, 74, 703, 1406, 15271, 30542, 290149, 565027, 580298, 1130054, 10735513, 21471026]

約数ペア:

[(1, 21471026), (2, 10735513), (19, 1130054), (37, 580298), (38, 565027), (74, 290149), (703, 30542), (1406, 15271)]