21702057

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{12941}}^1$

素因数の和:13000

約数の個数: 16

約数和(自身を含む): 31889088

約数和(自身を除く): 10187031

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 12941, 38823, 168233, 504699, 556463, 1669389, 7234019, 21702057]

約数ペア:

[(1, 21702057), (3, 7234019), (13, 1669389), (39, 556463), (43, 504699), (129, 168233), (559, 38823), (1677, 12941)]