21049406973

素因数分解:

$3^2\times 7^1\times {\mathrm{5483}}^1\times {\mathrm{60937}}^1$

素因数の和:66433

約数の個数: 24

約数和(自身を含む): 34755135168

約数和(自身を除く): 13705728195

約数列:

[1, 3, 7, 9, 21, 63, 5483, 16449, 38381, 49347, 60937, 115143, 182811, 345429, 426559, 548433, 1279677, 3839031, 334117571, 1002352713, 2338822997, 3007058139, 7016468991, 21049406973]

約数ペア:

[(1, 21049406973), (3, 7016468991), (7, 3007058139), (9, 2338822997), (21, 1002352713), (63, 334117571), (5483, 3839031), (16449, 1279677), (38381, 548433), (49347, 426559), (60937, 345429), (115143, 182811)]