21171008

素因数分解:

$2^6\times {\mathrm{293}}^1\times {\mathrm{1129}}^1$

素因数の和:1434

約数の個数: 28

約数和(自身を含む): 42191940

約数和(自身を除く): 21020932

約数列:

[1, 2, 4, 8, 16, 32, 64, 293, 586, 1129, 1172, 2258, 2344, 4516, 4688, 9032, 9376, 18064, 18752, 36128, 72256, 330797, 661594, 1323188, 2646376, 5292752, 10585504, 21171008]

約数ペア:

[(1, 21171008), (2, 10585504), (4, 5292752), (8, 2646376), (16, 1323188), (32, 661594), (64, 330797), (293, 72256), (586, 36128), (1129, 18752), (1172, 18064), (2258, 9376), (2344, 9032), (4516, 4688)]