21011112972

素因数分解:

$2^2\times 3^2\times {\mathrm{1423}}^1\times {\mathrm{410149}}^1$

素因数の和:411582

約数の個数: 36

約数和(自身を含む): 53148877600

約数和(自身を除く): 32137764628

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 1423, 2846, 4269, 5692, 8538, 12807, 17076, 25614, 51228, 410149, 820298, 1230447, 1640596, 2460894, 3691341, 4921788, 7382682, 14765364, 583642027, 1167284054, 1750926081, 2334568108, 3501852162, 5252778243, 7003704324, 10505556486, 21011112972]

約数ペア:

[(1, 21011112972), (2, 10505556486), (3, 7003704324), (4, 5252778243), (6, 3501852162), (9, 2334568108), (12, 1750926081), (18, 1167284054), (36, 583642027), (1423, 14765364), (2846, 7382682), (4269, 4921788), (5692, 3691341), (8538, 2460894), (12807, 1640596), (17076, 1230447), (25614, 820298), (51228, 410149)]