21446440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{28219}}^1$

素因数の和:28249

約数の個数: 32

約数和(自身を含む): 50796000

約数和(自身を除く): 29349560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 28219, 56438, 112876, 141095, 225752, 282190, 536161, 564380, 1072322, 1128760, 2144644, 2680805, 4289288, 5361610, 10723220, 21446440]

約数ペア:

[(1, 21446440), (2, 10723220), (4, 5361610), (5, 4289288), (8, 2680805), (10, 2144644), (19, 1128760), (20, 1072322), (38, 564380), (40, 536161), (76, 282190), (95, 225752), (152, 141095), (190, 112876), (380, 56438), (760, 28219)]