21044931

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:283

約数の個数: 32

約数和(自身を含む): 30868992

約数和(自身を除く): 9824061

約数列:

[1, 3, 23, 41, 43, 69, 123, 129, 173, 519, 943, 989, 1763, 2829, 2967, 3979, 5289, 7093, 7439, 11937, 21279, 22317, 40549, 121647, 163139, 171097, 304999, 489417, 513291, 914997, 7014977, 21044931]

約数ペア:

[(1, 21044931), (3, 7014977), (23, 914997), (41, 513291), (43, 489417), (69, 304999), (123, 171097), (129, 163139), (173, 121647), (519, 40549), (943, 22317), (989, 21279), (1763, 11937), (2829, 7439), (2967, 7093), (3979, 5289)]