21782331

素因数分解:

$3^3\times {\mathrm{179}}^1\times {\mathrm{4507}}^1$

素因数の和:4695

約数の個数: 16

約数和(自身を含む): 32457600

約数和(自身を除く): 10675269

約数列:

[1, 3, 9, 27, 179, 537, 1611, 4507, 4833, 13521, 40563, 121689, 806753, 2420259, 7260777, 21782331]

約数ペア:

[(1, 21782331), (3, 7260777), (9, 2420259), (27, 806753), (179, 121689), (537, 40563), (1611, 13521), (4507, 4833)]