21950865

素因数分解:

$3^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{587}}^1$

素因数の和:878

約数の個数: 32

約数和(自身を含む): 39231360

約数和(自身を除く): 17280495

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 277, 587, 831, 1385, 1761, 2493, 2935, 4155, 5283, 7479, 8805, 12465, 15849, 26415, 37395, 79245, 162599, 487797, 812995, 1463391, 2438985, 4390173, 7316955, 21950865]

約数ペア:

[(1, 21950865), (3, 7316955), (5, 4390173), (9, 2438985), (15, 1463391), (27, 812995), (45, 487797), (135, 162599), (277, 79245), (587, 37395), (831, 26415), (1385, 15849), (1761, 12465), (2493, 8805), (2935, 7479), (4155, 5283)]