20214369

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{4789}}^1$

素因数の和:4869

約数の個数: 24

約数和(自身を含む): 33874880

約数和(自身を除く): 13660511

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4221, 4789, 14367, 33523, 43101, 100569, 301707, 320863, 962589, 2246041, 2887767, 6738123, 20214369]

約数ペア:

[(1, 20214369), (3, 6738123), (7, 2887767), (9, 2246041), (21, 962589), (63, 320863), (67, 301707), (201, 100569), (469, 43101), (603, 33523), (1407, 14367), (4221, 4789)]