21593529

素因数分解:

$3^2\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1$

素因数の和:437

約数の個数: 24

約数和(自身を含む): 31947552

約数和(自身を除く): 10354023

約数列:

[1, 3, 9, 83, 137, 211, 249, 411, 633, 747, 1233, 1899, 11371, 17513, 28907, 34113, 52539, 86721, 102339, 157617, 260163, 2399281, 7197843, 21593529]

約数ペア:

[(1, 21593529), (3, 7197843), (9, 2399281), (83, 260163), (137, 157617), (211, 102339), (249, 86721), (411, 52539), (633, 34113), (747, 28907), (1233, 17513), (1899, 11371)]