21809072879

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1\times {\mathrm{5087}}^1$

素因数の和:5471

約数の個数: 32

約数和(自身を含む): 25482332160

約数和(自身を除く): 3673259281

約数列:

[1, 11, 19, 73, 209, 281, 803, 1387, 3091, 5087, 5339, 15257, 20513, 55957, 58729, 96653, 225643, 371351, 389747, 1063183, 1429447, 4084861, 4287217, 7055669, 15723917, 27159493, 77612359, 104349631, 298754423, 1147845941, 1982642989, 21809072879]

約数ペア:

[(1, 21809072879), (11, 1982642989), (19, 1147845941), (73, 298754423), (209, 104349631), (281, 77612359), (803, 27159493), (1387, 15723917), (3091, 7055669), (5087, 4287217), (5339, 4084861), (15257, 1429447), (20513, 1063183), (55957, 389747), (58729, 371351), (96653, 225643)]