21411081

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{41737}}^1$

素因数の和:41765

約数の個数: 16

約数和(自身を含む): 33390400

約数和(自身を除く): 11979319

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 41737, 125211, 375633, 793003, 1126899, 2379009, 7137027, 21411081]

約数ペア:

[(1, 21411081), (3, 7137027), (9, 2379009), (19, 1126899), (27, 793003), (57, 375633), (171, 125211), (513, 41737)]