21696393

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{2753}}^1$

素因数の和:2864

約数の個数: 16

約数和(自身を含む): 30139776

約数和(自身を除く): 8443383

約数列:

[1, 3, 37, 71, 111, 213, 2627, 2753, 7881, 8259, 101861, 195463, 305583, 586389, 7232131, 21696393]

約数ペア:

[(1, 21696393), (3, 7232131), (37, 586389), (71, 305583), (111, 195463), (213, 101861), (2627, 8259), (2753, 7881)]