21000279757

素因数分解:

${\mathrm{43}}^1\times {\mathrm{431}}^1\times {\mathrm{761}}^1\times {\mathrm{1489}}^1$

素因数の和:2724

約数の個数: 16

約数和(自身を含む): 21581303040

約数和(自身を除く): 581023283

約数列:

[1, 43, 431, 761, 1489, 18533, 32723, 64027, 327991, 641759, 1133129, 14103613, 27595637, 48724547, 488378599, 21000279757]

約数ペア:

[(1, 21000279757), (43, 488378599), (431, 48724547), (761, 27595637), (1489, 14103613), (18533, 1133129), (32723, 641759), (64027, 327991)]