21111056288

素因数分解:

$2^5\times 7^1\times {\mathrm{263}}^1\times {\mathrm{358349}}^1$

素因数の和:358629

約数の個数: 48

約数和(自身を含む): 47680617600

約数和(自身を除く): 26569561312

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 263, 526, 1052, 1841, 2104, 3682, 4208, 7364, 8416, 14728, 29456, 58912, 358349, 716698, 1433396, 2508443, 2866792, 5016886, 5733584, 10033772, 11467168, 20067544, 40135088, 80270176, 94245787, 188491574, 376983148, 659720509, 753966296, 1319441018, 1507932592, 2638882036, 3015865184, 5277764072, 10555528144, 21111056288]

約数ペア:

[(1, 21111056288), (2, 10555528144), (4, 5277764072), (7, 3015865184), (8, 2638882036), (14, 1507932592), (16, 1319441018), (28, 753966296), (32, 659720509), (56, 376983148), (112, 188491574), (224, 94245787), (263, 80270176), (526, 40135088), (1052, 20067544), (1841, 11467168), (2104, 10033772), (3682, 5733584), (4208, 5016886), (7364, 2866792), (8416, 2508443), (14728, 1433396), (29456, 716698), (58912, 358349)]