21086433

素因数分解:

$3^3\times {\mathrm{521}}^1\times {\mathrm{1499}}^1$

素因数の和:2029

約数の個数: 16

約数和(自身を含む): 31320000

約数和(自身を除く): 10233567

約数列:

[1, 3, 9, 27, 521, 1499, 1563, 4497, 4689, 13491, 14067, 40473, 780979, 2342937, 7028811, 21086433]

約数ペア:

[(1, 21086433), (3, 7028811), (9, 2342937), (27, 780979), (521, 40473), (1499, 14067), (1563, 13491), (4497, 4689)]