21112325919

素因数分解:

$3^4\times {\mathrm{5981}}^1\times {\mathrm{43579}}^1$

素因数の和:49572

約数の個数: 20

約数和(自身を含む): 31544162760

約数和(自身を除く): 10431836841

約数列:

[1, 3, 9, 27, 81, 5981, 17943, 43579, 53829, 130737, 161487, 392211, 484461, 1176633, 3529899, 260645999, 781937997, 2345813991, 7037441973, 21112325919]

約数ペア:

[(1, 21112325919), (3, 7037441973), (9, 2345813991), (27, 781937997), (81, 260645999), (5981, 3529899), (17943, 1176633), (43579, 484461), (53829, 392211), (130737, 161487)]