21327117

素因数分解:

$3^1\times 7^1\times {\mathrm{821}}^1\times {\mathrm{1237}}^1$

素因数の和:2068

約数の個数: 16

約数和(自身を含む): 32564352

約数和(自身を除く): 11237235

約数列:

[1, 3, 7, 21, 821, 1237, 2463, 3711, 5747, 8659, 17241, 25977, 1015577, 3046731, 7109039, 21327117]

約数ペア:

[(1, 21327117), (3, 7109039), (7, 3046731), (21, 1015577), (821, 25977), (1237, 17241), (2463, 8659), (3711, 5747)]