21495201

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{78737}}^1$

素因数の和:78760

約数の個数: 16

約数和(自身を含む): 35274624

約数和(自身を除く): 13779423

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 78737, 236211, 551159, 1023581, 1653477, 3070743, 7165067, 21495201]

約数ペア:

[(1, 21495201), (3, 7165067), (7, 3070743), (13, 1653477), (21, 1023581), (39, 551159), (91, 236211), (273, 78737)]