21031533

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{1361}}^1$

素因数の和:1485

約数の個数: 24

約数和(自身を含む): 32508216

約数和(自身を除く): 11476683

約数列:

[1, 3, 9, 17, 51, 101, 153, 303, 909, 1361, 1717, 4083, 5151, 12249, 15453, 23137, 69411, 137461, 208233, 412383, 1237149, 2336837, 7010511, 21031533]

約数ペア:

[(1, 21031533), (3, 7010511), (9, 2336837), (17, 1237149), (51, 412383), (101, 208233), (153, 137461), (303, 69411), (909, 23137), (1361, 15453), (1717, 12249), (4083, 5151)]