21232743

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{17137}}^1$

素因数の和:17206

約数の個数: 16

約数和(自身を含む): 32904960

約数和(自身を除く): 11672217

約数列:

[1, 3, 7, 21, 59, 177, 413, 1239, 17137, 51411, 119959, 359877, 1011083, 3033249, 7077581, 21232743]

約数ペア:

[(1, 21232743), (3, 7077581), (7, 3033249), (21, 1011083), (59, 359877), (177, 119959), (413, 51411), (1239, 17137)]