21523123778

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{22637}}^1$

素因数の和:22791

約数の個数: 48

約数和(自身を含む): 36539090280

約数和(自身を除く): 15015966502

約数列:

[1, 2, 13, 26, 29, 58, 97, 169, 194, 338, 377, 754, 1261, 2522, 2813, 4901, 5626, 9802, 16393, 22637, 32786, 36569, 45274, 73138, 294281, 475397, 588562, 656473, 950794, 1312946, 2195789, 3825653, 4391578, 7651306, 8534149, 17068298, 28545257, 57090514, 63677881, 110943937, 127355762, 221887874, 371088341, 742176682, 827812453, 1655624906, 10761561889, 21523123778]

約数ペア:

[(1, 21523123778), (2, 10761561889), (13, 1655624906), (26, 827812453), (29, 742176682), (58, 371088341), (97, 221887874), (169, 127355762), (194, 110943937), (338, 63677881), (377, 57090514), (754, 28545257), (1261, 17068298), (2522, 8534149), (2813, 7651306), (4901, 4391578), (5626, 3825653), (9802, 2195789), (16393, 1312946), (22637, 950794), (32786, 656473), (36569, 588562), (45274, 475397), (73138, 294281)]