21656673

素因数分解:

$3^3\times {\mathrm{179}}^1\times {\mathrm{4481}}^1$

素因数の和:4669

約数の個数: 16

約数和(自身を含む): 32270400

約数和(自身を除く): 10613727

約数列:

[1, 3, 9, 27, 179, 537, 1611, 4481, 4833, 13443, 40329, 120987, 802099, 2406297, 7218891, 21656673]

約数ペア:

[(1, 21656673), (3, 7218891), (9, 2406297), (27, 802099), (179, 120987), (537, 40329), (1611, 13443), (4481, 4833)]