21758824

素因数分解:

$2^3\times {\mathrm{563}}^1\times {\mathrm{4831}}^1$

素因数の和:5400

約数の個数: 16

約数和(自身を含む): 40878720

約数和(自身を除く): 19119896

約数列:

[1, 2, 4, 8, 563, 1126, 2252, 4504, 4831, 9662, 19324, 38648, 2719853, 5439706, 10879412, 21758824]

約数ペア:

[(1, 21758824), (2, 10879412), (4, 5439706), (8, 2719853), (563, 38648), (1126, 19324), (2252, 9662), (4504, 4831)]