21945762

素因数分解:

$2^1\times 3^3\times {\mathrm{406403}}^1$

素因数の和:406414

約数の個数: 16

約数和(自身を含む): 48768480

約数和(自身を除く): 26822718

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 406403, 812806, 1219209, 2438418, 3657627, 7315254, 10972881, 21945762]

約数ペア:

[(1, 21945762), (2, 10972881), (3, 7315254), (6, 3657627), (9, 2438418), (18, 1219209), (27, 812806), (54, 406403)]