21106989783

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{977}}^1\times {\mathrm{4643}}^1$

素因数の和:5684

約数の個数: 48

約数和(自身を含む): 34009238016

約数和(自身を除く): 12902248233

約数列:

[1, 3, 9, 11, 33, 47, 99, 141, 423, 517, 977, 1551, 2931, 4643, 4653, 8793, 10747, 13929, 32241, 41787, 45919, 51073, 96723, 137757, 153219, 218221, 413271, 459657, 505109, 654663, 1515327, 1963989, 2400431, 4536211, 4545981, 7201293, 13608633, 21603879, 40825899, 49898321, 149694963, 213201917, 449084889, 639605751, 1918817253, 2345221087, 7035663261, 21106989783]

約数ペア:

[(1, 21106989783), (3, 7035663261), (9, 2345221087), (11, 1918817253), (33, 639605751), (47, 449084889), (99, 213201917), (141, 149694963), (423, 49898321), (517, 40825899), (977, 21603879), (1551, 13608633), (2931, 7201293), (4643, 4545981), (4653, 4536211), (8793, 2400431), (10747, 1963989), (13929, 1515327), (32241, 654663), (41787, 505109), (45919, 459657), (51073, 413271), (96723, 218221), (137757, 153219)]