21032319

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13007}}^1$

素因数の和:13035

約数の個数: 24

約数和(自身を含む): 35589888

約数和(自身を除く): 14557569

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 13007, 39021, 91049, 143077, 273147, 429231, 637343, 1001539, 1912029, 3004617, 7010773, 21032319]

約数ペア:

[(1, 21032319), (3, 7010773), (7, 3004617), (11, 1912029), (21, 1001539), (33, 637343), (49, 429231), (77, 273147), (147, 143077), (231, 91049), (539, 39021), (1617, 13007)]