15716421

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2803}}^1$

素因数の和:2905

約数の個数: 24

約数和(自身を含む): 26245440

約数和(自身を除く): 10529019

約数列:

[1, 3, 7, 9, 21, 63, 89, 267, 623, 801, 1869, 2803, 5607, 8409, 19621, 25227, 58863, 176589, 249467, 748401, 1746269, 2245203, 5238807, 15716421]

約数ペア:

[(1, 15716421), (3, 5238807), (7, 2245203), (9, 1746269), (21, 748401), (63, 249467), (89, 176589), (267, 58863), (623, 25227), (801, 19621), (1869, 8409), (2803, 5607)]