21048873

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{5813}}^1$

素因数の和:5904

約数の個数: 16

約数和(自身を含む): 30139776

約数和(自身を除く): 9090903

約数列:

[1, 3, 17, 51, 71, 213, 1207, 3621, 5813, 17439, 98821, 296463, 412723, 1238169, 7016291, 21048873]

約数ペア:

[(1, 21048873), (3, 7016291), (17, 1238169), (51, 412723), (71, 296463), (213, 98821), (1207, 17439), (3621, 5813)]