21002469

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{4261}}^1$

素因数の和:4348

約数の個数: 16

約数和(自身を含む): 29458944

約数和(自身を除く): 8456475

約数列:

[1, 3, 31, 53, 93, 159, 1643, 4261, 4929, 12783, 132091, 225833, 396273, 677499, 7000823, 21002469]

約数ペア:

[(1, 21002469), (3, 7000823), (31, 677499), (53, 396273), (93, 225833), (159, 132091), (1643, 12783), (4261, 4929)]