21089969139

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1\times {\mathrm{330217}}^1$

素因数の和:330630

約数の個数: 16

約数和(自身を含む): 28662922400

約数和(自身を除く): 7572953261

約数列:

[1, 3, 61, 183, 349, 1047, 21289, 63867, 330217, 990651, 20143237, 60429711, 115245733, 345737199, 7029989713, 21089969139]

約数ペア:

[(1, 21089969139), (3, 7029989713), (61, 345737199), (183, 115245733), (349, 60429711), (1047, 20143237), (21289, 990651), (63867, 330217)]