21398238

素因数分解:

$2^1\times 3^2\times {\mathrm{59}}^1\times {\mathrm{20149}}^1$

素因数の和:20216

約数の個数: 24

約数和(自身を含む): 47151000

約数和(自身を除く): 25752762

約数列:

[1, 2, 3, 6, 9, 18, 59, 118, 177, 354, 531, 1062, 20149, 40298, 60447, 120894, 181341, 362682, 1188791, 2377582, 3566373, 7132746, 10699119, 21398238]

約数ペア:

[(1, 21398238), (2, 10699119), (3, 7132746), (6, 3566373), (9, 2377582), (18, 1188791), (59, 362682), (118, 181341), (177, 120894), (354, 60447), (531, 40298), (1062, 20149)]